gly1102 topic 21-37

question

The head of Coelophysis is crowned with 2 bony crests that give it its name (2 crest).
answer

false
question

Dinosaurs inhabited all continents.
answer

true
question

This theropod has only 2 digits on the manus.
answer

tyrannosaurus
question

Theropods had the largest brain (relative to body size) among dinosaurs.
answer

true
question

Allosaurus has a distinctive ridge above and in front of the eyes.
answer

true
question

Velociraptor had an elongated skull, a flat nose and long, functional arms.
answer

true
question

Dromaeosaurs have an enlarged second toe-claw on each foot that it used in making slashing attacks.
answer

true
question

Coelurosaurs have a greater heightening of the ascending process of the astragalus, a splint of bone that originates at the main articulating joint of the astragalus and covering the lower quarter of the shin (tibia).
answer

true
question

The name \”Ceratosauria\” means horned lizard.
answer

true
question

Theropods have solid bones.
answer

false
question

To John Ostrom, the anatomy of Deinonychus was one of an agile, active and intelligent hunter, and thus he began a reevaluation of the nature of dinosaur behavior and metabolism that continues to today.
answer

true
question

There is some evidence that raptors were pack hunters.
answer

true
question

True about theropods
answer

They have hollow bones. Their tail was stiff and acted as a body balance. They have claws on all fingers and toes. Their teeth (most of them) were generally sharp, large, serrated, and recurved.
question

Tyrannosaurus evolved only a few million years before the extinction of the dinosaurs.
answer

true
question

Carcharodontosaurus has extremely long neural spines along the top of the vertebrate of the back, hips, and tail.
answer

false
question

Tetanurae were the most primitive theropods.
answer

false
question

Dromaeosaurs or raptors diversified during this period.
answer

Cretaceous
question

The signiture characteristic of (blank) is that it has extremely long neural spines (43 cm, 17 inches) along the top of the vertebrate of the back, hips, and tail.
answer

Acrocanthosaurus
question

Ornithomimosaurus had not teeth and is known as the \”bird mimic lizard.\”
answer

true
question

The Ghost Ranch video was taken in the quarry where this dinosaur is found.
answer

Coelophysis
question

Dinosaurs inhabited all continents
answer

True
question

The name \”Ceratosauria\” means horned lizard
answer

True
question

There is some evidence that raptors were pack hunters.
answer

True
question

Tyrannosaurus evolved only a few million years prior to the extinction of dinosaurs.
answer

True
question

To John Ostrom, the anatomy of Deinonychus was one of an agile, active and intelligent hunter, and thus he began a re-evaluation of the nature of dinosaur behavior and metabolism that continues to today.
answer

True
question

This theropod has only two digits on the manus.
answer

Tyrannosaurus
question

Dromaeosaurus or raptors diversified during this period.
answer

Cretaceous
question

Ornithomimosaurus had no teeth and is known as the \”bird mimic lizard\”.
answer

True
question

Theropods had the largest brain (relative to body size) among dinosaurs.
answer

True
question

The Ghost Ranch video was taken at the quarry where this dinosaur was found.
answer

Ceolophysis
question

Coelurosaurs have a greater heightening of the ascending process of the astragalus, a splint of bone that originates at the main articulating joint of the astragalus and covering the lower quarter of the shin (tibia).
answer

True
question

The signature characteristic of _____________ is that it has extremely long neural spines (43 cm, 17 in) along the top of the vertebrate of the back, hips, and tail.
answer

Acrocanthosaurus
question

Velociraptor had an elongated skull, a flat nose and long, functional arms.
answer

True
question

The head of Ceolophysis is crowned with two bony crests that give it its name (two-crest).
answer

False
question

Which of the following features is true about theropods?
answer

All are true (their teeth were generally sharp, large, serrated, and recurved; they have hollow bones; they have claws on all fingers and toes; their tail was stiff and acted as a body balance)
question

Allosaurus has a distinctive ridge above and in front of eyes.
answer

True
question

Dromaeosaurs have an enlarged second toe-claw on each foot that it used in making slashing attacks.
answer

True
question

Tetanurae were the most primitive theropods.
answer

False
question

Carcharodontosaurus has extremely long neural spines along the top vertebrate of the back, hips, and tail.
answer

False
question

Theropods have solid bones.
answer

False
question

This South American country has been the site of the most exciting new large dinosaur finds:
answer

Argentina
question

Which of these dinosaurs was not living during the Late Cretaceous?
answer

Coelophysis
question

The Sauropoda were all bipedal herbivores.
answer

False
question

The Brachiosauridae have longer forelimbs than hind limbs.
answer

True
question

Some sauropods significantly exceeded 100 feet in length.
answer

True
question

Which of the following statements about the Sauropoda is false?
answer

None of these (lightly-built vertebrate with struts and buttresses and pleurocoels; 12 or more cervical vertebrate; 4 or more sacral vertebrae; massive solid limbs)
question

The Titanosauridae were more common in the Gondwana (Southern) continents than in the Northern Hemisphere.
answer

True
question

The Sauropoda is a small clade of plant-eaters containing no more than 10 genera.
answer

False
question

Sauropods with a humerus-to-femur ratio of less than one have front limbs longer than hind limbs.
answer

False
question

The teeth of Apatosaurus are _______.
answer

Peg-like
question

The sauropodomorpha evolved during the Early Triassic and survived to the end of the Cretaceous.
answer

False
question

The maximum number of caudal vertebrate among the Diplodocidae is _______.
answer

More than 70
question

______ is the only sauropod found in North America above the \”Sauropod Hiatus\”, an approximately 20-25 million year interval of the Upper Cretaceous without sauropods.
answer

Alamosaurus
question

Diplodocidae had relatively short tails.
answer

False
question

Prosauropods and sauropods evolved from a common unknown ancestor.
answer

True
question

Which of the following is not considered to be a prosauropod?
answer

Apatosaurus
question

______ was a sauropod covered with a protective pavement of globular or button-like bony plates covering its back.
answer

Saltasaurus
question

The humerus-to-femur ratio of the Diplodocidae is greater than 1.
answer

False
question

Apatosaurus was formerly known as Brontosaurus (the latter is a jr. synonym).
answer

True
question

This sauropod was the ultimate tree-top browser.
answer

Brachiosaurus
question

Sauropod feet had big fleshy pads
answer

True
question

The Sauropoda are found on all continents, except Antarctica.
answer

True
question

The Iguanodontia have closely packed batteries of teeth.
answer

True
question

Hadrosaurus are differentiated into two subfamilies based upon their skull characteristics, the flat-roofed or solid-crested Hadrosaurinae and the hollow-crested Lambeosaurinae.
answer

True
question

Saurolophus and Prosaurolophus are two examples of members of the Hadrosaurinae which includes those hadrosaurids with a fairly flat skull roof or head crest of solid bone.
answer

True
question

Ornithopods are not known to have been herding animals.
answer

False
question

Hadrosaurs may have had inflatable air sacs over the flat dorsal portion of the skull surrounding the external nostrils.
answer

True
question

Circumnarial depressions surrounding the nasal opening of hadrosaurines were:
answer

Probably covered by an inflatable skin sack
question

Which of the following hadrosaurs was named after a Canadian city?
answer

Edmontosaurus
question

All ornithopods were quadrupedal.
answer

False
question

Othnielia, a small member of the Hypsilophodontidae family of ornithopods, was named in honor of a famous dinosaur paleontologist, being named for the first name of _______.
answer

Marsh
question

Which of the following about hadrosaurs is false?
answer

They have a single tooth row of large teeth on each side of the jaw.
question

The so-called duck-billed hadrosaurs were restricted to the Jurassic Period.
answer

False
question

This genus of ornithopods is the type genus of an early family and clade of ornithopods and derives its name from the fact that it has different types of teeth.
answer

Heterodontosaurus
question

Computer simulations have been made of the sound once produced by the long hollow crest of this hadrosaur.
answer

Parasaurolophus
question

Which statement about the Iguanodontia is false?
answer

They had small external nostrils
question

Ossified or bony tendons in the tails of many ornithopods served to _____.
answer

Stiffen the tail
question

Ornithopods were remarkably diverse and distributed throughout the world.
answer

True
question

Lambeosaurus was a large, duck-billed dinosaur with a bony head crest shaped like a hatchet.
answer

True
question

The crests of lambeosaurines varied in species according to age and sex.
answer

True
question

The genus from the large Euornithopoda clade was bipedal, only 2-5 meters long, and exhibited the specialized chewing arrangement of more advanced ornithopods.
answer

Hypsilophodon
question

Which of the following dinosaurs had batteries of large numbers of teeth organized into large rasping surfaces?
answer

Hadrosauridae
question

This member of the Iguanodontia is intermediate in size between Dryosaurus and Iguanodon.
answer

Camptosaurus
question

The ability of ornithopods to chew on both sides of the mouth at the same time is referred to as:
answer

Bilateral occlusion
question

Which of the following plant eaters depended least on spines or plates for defense?
answer

Ornithopods
question

Most ornithopods chewed their food by allowing the upper and lower teeth to shear past each other in a chewing mechanism called:
answer

Pleurokinesis
question

Stegosaurus has never been found buried in the same deposit as Allosaurus.
answer

False
question

The pairs of terminal tail spines and the pointed parascapular spines in other stegosaurus seem to have been the main means of defense.
answer

True
question

Scutellosaurus is considered a primitive thyreophoran partially because it has a large number of keeled osteoscutes.
answer

True
question

Stegosaurus had osteoderms/osteocutes covering portions of its neck.
answer

True
question

Kentrosaurus has a large hollow in two sacral vertebrae that has been mistakenly interpreted as the location of a second brain.
answer

True
question

Which of the following is considered to represent the base of the thyreophoran family tree?
answer

Scutellosaurus
question

The Thyreophora is a clade of ornithischian dinosaurs.
answer

True
question

The ____ have one or more rows of armored plates (or osteoscutes) set in the skin above or along the vertebral column and a post-orbital process of the jugal bone expanded transversely.
answer

Stegosauria
question

The Stegosauria have been found only in North America.
answer

False
question

The only Stegosaur to have remains indicating some herding behavior is ____.
answer

Kentrosaurus
question

The osteoscutes of stegosaurus were attached directly to the skeleton fixing them rigidly in place.
answer

False
question

Which statement about Stegosaurus is false?
answer

It has a high skull
question

This Asian stegosaur is the type of genus of the family bearing its name and has a spike-shaped armor along the body midline and rows of armor plates along each side of the spike row.
answer

Huayangosaurus
question

The plates of Stegosaurus are aligned in a single row along the midline.
answer

False
question

Stegosaurs first appeared during Late Jurassic.
answer

False
question

None of the Stegosauridae family have plate-like osteoderms across the back, sacrum, and tail.
answer

False
question

Which of these Stegosauria is the smallest?
answer

Scutellosaurus
question

Huayangosaurus had osteoscutes that were embedded in the skin, forming rows from the head to the tail, arranged primarily on the upper flanks.
answer

False
question

Scutellosaurus and Scelidosaurus are primitive thyreophora from the Lower Jurassic possessing parallel rows of keeled dermal armor scutes along the back surface of the body.
answer

True
question

Which of the following groups did the fewest number of species represent?
answer

The stegosaurs
question

Mymoorapelta resembles a comination between an Ankylosaurus and Nodosaurus.
answer

False
question

Most ankylosaurus weighed 3000 to 4000 kg.
answer

True
question

Polacanthids are medium to large (e.g. Gastonia), and occurred primarily in the Upper Jurassic and Lower Cretaceous of Europe and North America.
answer

True
question

Ankylosaurs were small-to-relatively large, bipedal, carnivorous, ornithischian dinosaurs.
answer

False
question

Which of the following about the Polacanthidae is false?
answer

They have a tail club, fused sacral armor covers the hips.
question

Only the fenestrae and ankylosaurs were unarmored.
answer

False
question

The oldest ankylosaurs come from the Middle Jurassic and survived to the end fo the Cretaceous.
answer

True
question

Nodosaurus is about 5.5 m long and the entire body was covered by bony plates that formed a thick continuous covering over the torso.
answer

True
question

Ankylosaurus were quadrupeds with a lowly held head, indicating that they were low browsers.
answer

True
question

Panoplosaurus lacks tall spines as part of its armor but has a relatively wide skull.
answer

True
question

Ankylosaurs have batteries of teeth that form large rasping surfaces.
answer

False
question

Ankylosaurus and Euoplocephalus are members of a North America calde of anklosaurs.
answer

True
question

Panoplosaurus was the first ankylosaur to be described from North America.
answer

False
question

The skulls of this family of ankylosaurs are narrow (pear-shaped form above), longer than the width and lacks horns of the rear corners.
answer

Nodosauridae
question

Ankylosaurids exhibit differences in their beaks, in some the beak is scoop-shaped and relatively narrow but in others the beak is broad.
answer

True
question

The Ankylosauridae, or ankylosaurids, are armored dinosaurs having a large club fo bone on the end of the tail.
answer

True
question

Gastonia, the \”walking hedge of thorns,\” is a member of this family of ankylosaurs.
answer

Polacanthidae
question

All the tail vertebrae of the Ankloysaurus tail were fused together stiffening the entire tial.
answer

False
question

Ankylosaurs have a large, armored head and a relatively long, thick neck.
answer

False
question

The differences in the width of an ankylosaurid beaks may be related to differences in the types of foliage and fruit in their diets.
answer

True
question

The Linnaean system of nomenclature provides a uniform language of communication for scientists to refer to the same object or species.
answer

True
question

Dinosaur tracks and trackways demonstrate that dinosaurs were diagonal walkers, meaning there is an angle between the mid-line of travel and successive right and left footprints.
answer

True
question

The term gastrolith refers to fossilized fecal material.
answer

False
question

The initial step in measuring dinosaurs tracks and trackways is to measure the size and shape of individual fore (manus) and hind (pes) footprints and the angles and distances between them.
answer

True
question

Quadruped tracks generally reveal differences in the size and shape of rear and front prints.
answer

True
question

The term ____ refers to those tracks with four digits.
answer

Tetradactyl
question

The largest of the front prints of sauropods are more than a meter long and deep as a bathtub.
answer

True
question

Among the important measurements taken at trackways is the depth of the impression.
answer

False
question

Tracks of stegosaurs are extremely rare which suggests that stegosaurs were probably upland or dryland animals, rarely near wetland areas where tracks are preserved.
answer

True
question

Dinosaur tracks are best preserved in sediment that was moist but not too moist.
answer

True
question

Dinosaur tracks have been found on all continents, except ______.
answer

Antarctica
question

Quadruped tracks are the most common type of dinosaur tracks, suggesting that most dinosaurs walked on four legs.
answer

False
question

In some places bedding planes are completely covered with dinosaur tracks. They most often seem to occur around watering holes but may also be developed along migratory paths. These types of track occurrences are called ______.
answer

Dinosaur stomping grounds
question

Theropod tracks generally have relatively long and narrow digit impressions, each digit ending with sharp, slender claw marks.
answer

True
question

Coprolites are trace fossils representing stones that were swallowed to assist in the digestion of food.
answer

False
question

Dinosaurs did not drag their tail or belly, indicating they walked upright with their limbs directly (or nearly so) under their body.
answer

True
question

The heel of tridactyl theropod tracks is more rounded than the hell of tridactyl hadrosaurs tracks.
answer

False
question

More than one consecutive dinosaur track is a ______.
answer

Trackway
question

The term \”pentadactyl\” refers to a foot or hand with how many digits?
answer

5
question

The stride refers to the distance between successive steps, for example, the distance between the step of your right foot and your next step of the left foot.
answer

False
question

Although some fossilized dinosaur organs have been recovered, none of these is of a heart.
answer

False
question

Bacterial infection from bites and scratches may have been lethal to dinosaurs.
answer

True
question

Three-dimensional vision occurs because each eye sees an object at a slightly different angle, therefore, projecting a slightly different image on the retina.
answer

True
question

In rare cases, internal organs may be represented as fossil molds or casts, even more rarely they are mineralized.
answer

True
question

Allosaurus and Carcharadontosaurus had binocular fields of vision half as wide and more similar to modern alligators. These dinosaurs may have ben ambush predators.
answer

True
question

Dinosaurs developed tumors, had arthritis, and suffered from diffuse idiopathic skeletal hyperostosis (DISH).
answer

True
question

The blood pressure required to pump blood from the heart to the head is a function of the distance and elevation of the head form the heart.
answer

True
question

A hatchling of this dinosaur was found in Italy with fossilized traces of muscles, large intestines, windpipe, and a liver spot.
answer

Scipionyx
question

Binocular vision occurs where the two monocular fields of view overlap and it is within the binocular range that an animal experiences depth perception.
answer

True
question

Active predators tend to have a narrower range of depth perception than scavengers or ambush predators.
answer

False
question

All animals have different monocular and binocular ranges of vision.
answer

True
question

Active predators tend to have a narrower range of depth perception than scavengers or ambush predators.
answer

False
question

Animals with a wide range of depth perception are more often ambush predators, lying in wait until their prey comes close and within their range of depth perception.
answer

False
question

A mature Brachiosaurus may have held its head 43 feet (13m) above the ground, more than twice the height of a giraffe.
answer

True
question

An infection of the toe on the right food of \”Big Al\” the Allosaurus contributed to his death.
answer

True
question

The crest of a lambeosaurines is hollow with a complex series of tubes inside, connecting to the nose and throats.
answer

True
question

Psittacosaurus is the basal member of the ceratopsian clade and the only member of the Psittacosauridae.
answer

True
question

Protoceratops bears the distinction of being one of the first dinosaurs for which specimens were found of a range ages, probably of each sex.
answer

True
question

Ceratopsians do not display sexual dimorphism.
answer

False
question

Triceratops was the smallest of all ceratopsians.
answer

False
question

Pentaceratops has five significant horns—two horns are forward pointing over the orbits, another a nasal horn, and two protruding cheekbone horns.
answer

True
question

Centrosaurus has two large frill openings (pariental fenestra) with a parietal strut dividing them.
answer

True
question

The Ceratopsidae are all large, habitually bipedal, with very large skulls, large nostrils, very prominent frills, and a variety of horns.
answer

False
question

As is the case with the Psittacosauridae, the Protoceratopsidae have no nasal or post-orbital horns, just a thickened bump in front of the orbit.
answer

True
question

Ceratopsians were very social animals, some traveling in large groups or herds of 1000 or more individuals.
answer

True
question

The Neoceatopsia were obligate bipedals.
answer

False
question

Ceratopsians became very abundant in the Late Cretaceous, especially in North America.
answer

True
question

All ceratopsians had horns on their skull.
answer

False
question

Ceratopsians are ornithischian dinosaurs and are closely related to ornithopods, both being plant-eating ornithischians.
answer

True
question

Protoceratops has no horns (nasal or post-orbital) and the nostrils are much larger than the Ceratopsidae.
answer

False
question

The frill is a shelf of bone projecting from the back of the skull.
answer

True
question

The Neoceratopsia is comprised of two families, the smaller Protoceratopsidae and the Ceratopsidae.
answer

True
question

A bony shelf on the back of the skull unites this group called the ______.
answer

Marginocephalia
question

The margins of some ceratopsian frills had extra bones called ______.
answer

Epoccipitals
question

The Ceratopsia (\”horned faces\”) includes a relatively large group of some 20 genera, mostly from upper cretaceous of North America.
answer

True
question

Pachyrhinosaurus is a memorable ceratopsian of about 6m in length, with a short beak, and a low face with masses of very roughened bone that extend the length of the snout from the nose to eyes.
answer

True
question

Whereas Psittacosaurus has only a small rudimentary frill, the Protoceratopsidae display a much larger bony frill that extended back over the neck.
answer

True
question

All ceratopsians had a relatively large frill.
answer

False
question

Chasmosaurus has two very large openings (parietal fenestra) in the frill.
answer

True
question

While the Protoceratopsidae were bipedal, the Psittacosaurus were clearly an obligate quadrupedal.
answer

False
question

Centrosaurus has six long, bony spikes sticking out fanwise from the back of its frill.
answer

False
question

The thickened skull of ____ has led to speculation that males clashed heads with one another in competition for females during breeding season.
answer

Pachycephalosaurus
question

Most Pachycephalosaurs lived during the Late Cretaceous in ____
answer

North America and Asia
question

The Homalocephalidae were the largest pachycephalosaurs
answer

False
question

Pachycephalosaurs were all bipedal
answer

True
question

Which of the following pachycephalosaur characteristics is false?
answer

Quadrapedal
question

Pachycephalosaurs first evolved during the _____.
answer

Early Cretaceous
question

The name \”Pachycephalosauria\” means ____.
answer

Thick-headed
question

All known pachycephalsaurs are from the Northern Hemisphere.
answer

True
question

Pachycephalosauridae have a flat skull roof.
answer

False
question

Running, Stegoceras would have had its back almost perpendicular with the ground requiring the tail to act as a counterbalance.
answer

False
question

The Homalocephalidae family is more diverse than the Pachycephalosauridae.
answer

False
question

The Pachycephalosauria are divided into two families based upon their ____.
answer

Skull roof characteristics
question

The Homalocephalidae were the largest pachycephalosaurs.
answer

False
question

Pachycephalosaurs were all herbivores.
answer

True
question

Unlike Stegoceras, Pachycephalosaurus has very prominent bony spikes projecting from the snout.
answer

True
question

Homalocephale from Mongolia had a relatively flat skull roof.
answer

True
question

Most ectotherms have sprawling postures
answer

True
question

Ectothermic animals maintain a body temperature at 36-40 degrees C.
answer

False
question

Endotherms require great motor and sensory control which is associated with larger and more complex brains.
answer

True
question

The density of blood vessels in bone is higher in all ectotherms than in endotherms.
answer

False
question

Mammals have a fully divided four-chambered heart and numerous fossil dinosaur hearts have only two chambers
answer

False
question

Today feathers are only found on endothermic birds.
answer

True
question

Dinosaurs have complex scrolls of thin bone within the nasal cavity (turbinates) once covered with mucous membranes.
answer

False
question

Most endotherms are egg-layers.
answer

False
question

The optimum temperature of mammals is usually lower than those in the environment around them.
answer

False
question

Endotherms require more food per body weight than is the case for ectotherms.
answer

True
question

One dinosaur researcher, Dr. Bakker, finds the predator/herbivore dinosaur ratios similar to Cenozoic mammal (endothermic) populations and interpreted this as strong evidence for endothermy.
answer

True
question

Endothermic predator- prey ratios should be lower than for ectotherms.
answer

True
question

Most endotherms have an erect gait.
answer

True
question

Endotherms require high blood pressure and rapid blood circulation to allow against oxygen and energy to circulate quickly through the body.
answer

True
question

Ectothermic animals develop their heat from the external environment rather than metabolic sources.
answer

True
question

Endotherms must eat more food per body volume than ectotherms because of their higher level of activity.
answer

True
question

Growth rings occur in all living endotherms because of a seasonal pause in bone growth as food supplies are limited or climate unfavorable.
answer

False
question

Many dinosaurs have lamellar-zonal bone (growth rings), a common characteristic of living ectotherms with seasonal pauses in their growth.
answer

True
question

Large ectothermic dinosaurs would have more trouble maintaining a constant body temperature than smaller ones because of their large body volume.
answer

False
question

The rate of metabolic reactions depends on the internal body temperature.
answer

True
question

The Cleveland-Lloyd Dinosaur Quarry was first discovered by Princeton graduate student William Lloyd.
answer

False
question

Who discovered dinosaur fossils near Jensen, Utah and developed it into Dinosaur National Monument?
answer

Earl Douglass
question

No teeth marks were ever found among dinosaur bones in the Cleveland-Lloyd Dinosaur Quarry.
answer

False
question

A Mexican sheepherder built a cabin of dinosaur bones at the site of Bone Cabin Quarry.
answer

True
question

Roughly three-quarters of all dinosaur bones discovered at the Cleveland-Lloyd Dinosaur Quarry were those of plant-eating dinosaurs.
answer

False
question

Bone Cabin Quarry is near (10 miles) this famous dinosaur locality.
answer

Como Bluffs
question

Dinosaur National Monument was a dinosaur quarry for the Carnegie Museum prior to becoming a National Monument.
answer

True
question

The Cleveland-Lloyd Dinosaur Quarry suffered a devastating loss in the 1960’s, when uranium exploration destroyed an estimated 100,000 dinosaur bones.
answer

False
question

In 2001, University of Utah graduate student Terri \”Bucky\” Gates hypothesized that the great number of dinosaur bones found in the Cleveland-Lloyd Dinosaur Quarry is best explained by the presence of quicksand deposited by the runoff from a freshwater lake deposit.
answer

False
question

In the reading \”Fossil Wonders of the West\”, Osborn mentions a theory of dinosaur extinction based upon egg pouching by mammals.
answer

True
question

The exact boundaries of the bone beds at Cleveland-Lloyd Dinosaur Quarry are still unknown.
answer

True
question

The Cleveland-Lloyd Dinosaur Quarry contains the densest concentration of dinosaur bones from the Jurassic ever discovered.
answer

True
question

The Clevelend-Lloyd Dinosaur Quarry National Landmark is located in Cleveland, Ohio.
answer

False
question

In the spring of 1898 Henry Fairfield Osborn discovered Bone Cabin Quarry.
answer

True
question

The Cleveland-Lloyd Dinosaur Quarry National Landmark is still an active quarry.
answer

True
question

Dinosaur National Monument is the largest and most spectacular display in the world of dinosaur bones still imbedded int eh rocks that surround them.
answer

True
question

Osborn thought the Bone Cabin Quarry fossils accumulated ____.
answer

In an old river bar
question

______ was probably the shortest adult dinosaur, measuring 20 inches (50.8cm)
answer

Micropachycephalosaurus
question

_____ was the last of the great meat-eaters.
answer

Tyrannosaurus rex
question

____ lived abuot 95 million years ago and appears to edge out other theropods for the title of the largest meat-eater.
answer

Gigantosaurus
question

_____ was probably the most intelligent dinosaur based on brain size relative to body size.
answer

Troodon
question

_____ is believed to be the heaviest dinosaur.
answer

Argentinosaurus
question

Carcharodontosaurus is larger than tyrannosaurus rex.
answer

True
question

_____ has the biggest and longest skull of any dinosaur.
answer

Torosaurus
question

______ is believed to be the longest dinosaur.
answer

Supersaurus
question

______ is the dinosaur with the smallest head relative to its body size.
answer

Stegosaurus
question

_____ is the dinosaur with the thickest skull.
answer

Pachycephalosaurus
question

The most expensive dinosaur ever purchased is the Tyrannosaurus rex called \”Sue\”.
answer

True
question

Ichthyosaurs were extinct when Mosasaurs evolved.
answer

True
question

Ichthyosarus preceded dinosaurs by some 20-30 million years.
answer

True
question

As with other plesiosaurs, the Pliosaurs also had large eyes, slightly forward, giving them overlapping fields of vision and the depth perception that comes with it.
answer

True
question

Based upon the size of ichthyosaurs, it is estimated as capable of diving to a depth of 600 meters and coming back to the surface in 20 minutes.
answer

True
question

The geologic range of mosasaurs is restricted to what period?
answer

Cretaceous
question

Like turtles, ichthyosaurs were egg-layers.
answer

False
question

The sclerotic ring is a doughnut-shaped bone surrounding the ____.
answer

Eye
question

Ichthyosaurs have short arms with strong limb girdles used for swimming.
answer

False
question

Some have likened this marine reptile to being a sauropod of the deep because of its long neck.
answer

Elasmosaurus
question

Plesiosaurs evolved during the Late Triassic and became extinct at the end of the Cretaceous (same time as dinosaurs).
answer

True
question

Propulsion of mosasaurs through the water was accomplished by ____.
answer

Undulation of the eel-like tail
question

Skulls of some mosasaurs were found with a ____, a scent sniffer used by snakes and lizards.
answer

Jacobson’s organ
question

The ancestry of ichthyosaurs is uncertain but they most likely are related to the ____, a group including dinosaurs, birds, pterosaurs, lizards, snakes, etc.
answer

Diapsids
question

Fossil evidence reveals that some mosasaurs were cannibalistic.
answer

True
question

Elasmosaurs had large skulls and short necks
answer

False
question

Swimming propulsion of plesiosaurs was provided by the ____.
answer

Giant paddles
question

The diet of mosasaurs also inclined a great deal of squid-like cephalopods, particularly of the now extinct ammonites and belemnites.
answer

True
question

The first ichthyosaurs appeared during the Middle Triassic.
answer

False
question

Ichthyosaur fossils have been found on most continents.
answer

True
question

All plesiosaurs had ___, or belly ribs, that interlocked and supported the belly.
answer

Gastralia
question

Pterosaurs have a small head, relative to their body size.
answer

False
question

The pterosaur humerus has a large ____, an anterior projection for the anchoring of flight muscles.
answer

Deltopectoral crest
question

The shape of the deltopectoral crest is used to differentiate pterosaur clades.
answer

True
question

Ramphorhyncoids went extinct prior to the great extinction of dinosaurs at the end of the Cretaceous.
answer

True
question

The ____ was a pterosaur membrane that extended from the fifth toe to the tail along the posterior edge of the leg.
answer

Uropatagia
question

The main wing membrane of pterosaurs is the _____.
answer

Patagium
question

Which vertebrate animals were the first to be capable of powered flight?
answer

Pterosaurs
question

Pterosaurs have a global distribution.
answer

True
question

Only endothermic animals have developed the ability to fly.
answer

True
question

There is no evidence that pterosaurs had body hair.
answer

False
question

Most endotherms bear live young.
answer

True
question

The earliest pterosaurs are from the _____ of Italy.
answer

Upper Triassic
question

All pterosaurs lacked teeth.
answer

False
question

There is no evidence of sexual dimorphism in pterosaurs.
answer

False
question

The 400-500 teeth in each jaw of Pterodaustro may have been used as a sieve for filtering out plankton scooped up into its mouth.
answer

True
question

In most pterosaurs, the scapula and coracoid are fused to form a ____.
answer

Scapulocoracoid
question

A decrease in the abundance and diversity of pterosaurs during the Cretaceous, most probably was caused by _____.
answer

Diversification of marine birds
question

Pteranodons are among those pterosaurs exhibiting a number of anatomical differences between the sexes.
answer

True
question

Some Rhamphorhynchus specimens have a membranous tail vane.
answer

True
question

Most endotherms bear live young.
answer

True
question

Which statement about pteranodons is false?
answer

They were all filter feeders
question

The pterosaur images in your text reveal that this South American country has a rich fossil record of these winged creatures.
answer

Brazil
question

Pterosaurs were the first vertebrates to develop flapping flight.
answer

True
question

All pterosaurs skulls have huge eye sockets.
answer

True
question

The ______ is a small membrane spanning the area between the shoulder and the wrist of pterosaurs.
answer

Propatagium
question

The pterosaurs diversified into several lineages during the Lower Triassic
answer

False
question

There is no evidence of sexual dimorphism in pterosaurs.
answer

False
question

The shortcoming of the volcanic hypothesis is that it fails to demonstrate the volume and type of volcanism could have accounted for the impact evidence and there can be little argument that a giant asteroid collided with Earth at precisely the time of the global extinctions.
answer

True
question

The extinction of a species occurs when the last representative of the species is no longer capable of reproducing and dies, leaving only the fossil legacy of its time on Earth.
answer

True
question

The fossil record reveals that the rate of extinction over a geologic history was not a uniform rate.
answer

True
question

The Kuiper Cloud is a large, spherical cloud of comets surround the solar system.
answer

False
question

Once the flash heating of the atmosphere by the terminal Cretaceous impact cooled, atmospheric temperatures would have risen because of the vast amount of particulate matter in the atmosphere blocking solar radiation from reaching the surface.
answer

False
question

The fossil record reveals that extinctions typically involve all forms of life (invertebrates, vertebrates, plants, etc) at similar rates.
answer

False
question

The Barringer Meteor Crater is a young (50,000 years old) crater located in this state.
answer

Arizona
question

The greatest extinction (in percent of species extinct) in history occurred at the end of this period.
answer

Permian
question

A rough estimate of the average duration of species prior to extinction is ______.
answer

About 2 million years
question

The fossil record reveals that most species extinctions were caused by changes in the natural environment.
answer

True
question

The comet head consists of a solid nucleus surround by a _____ up to 1.5 million miles in diameter.
answer

Nebulous coma
question

______ are \”dusty iceballs\” of rock, frozen water, and organic compounds.
answer

Comets
question

All dinosaurs became extinct at the Cretaceous/Tertiary boundary.
answer

True
question

Unlike the moon, Earth has a very active weathering process that over time remove the evidence of impacts, or at least make old ones very hard to recognize.
answer

True
question

The most famous of all extinctions occurred at the end of the ____ and marks the boundary between the Mesozoic and Cenozoic eras.
answer

Cretaceous
question

____ is a rare platinum group metal.
answer

Iridium
question

The Deccan traps of India and Pakistan, southern Brazil, and the western US all show evidence of extensive volcanism at the time of the C/T boundary.
answer

True
question

Microtekites are small, droplet-shaped silica glass cooled form molten material expelled form an impact crater.
answer

True
question

The vast majority of asteroids in our solar system are found in the Asteroid Belt between Jupiter and Pluto.
answer

False
question

In 1981, the geophysicist G. Penfield, found a bow-shaped depression near the Yucatan Peninsula town of Chicxulub tat he thought might be the C/T boundary impact crater.
answer

True

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