GLY1102 Topic 26
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The Linnaean system of nomenclature provides a uniform language of communication for scientists to refer to the same object or species.
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True
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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.
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True
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The term gastrolith refers to fossilized fecal material.
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False
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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.
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True
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Quadruped tracks generally reveal differences in the size and shape of rear and front prints.
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True
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The term ____ refers to those tracks with four digits.
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Tetradactyl
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The largest of the front prints of sauropods are more than a meter long and deep as a bathtub.
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True
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Among the important measurements taken at trackways is the depth of the impression.
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False
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Tracks of stegosaurs are extremely rare which suggests that stegosaurs were probably upland or dryland animals, rarely near wetland areas where tracks are preserved.
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True
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Dinosaur tracks are best preserved in sediment that was moist but not too moist.
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True
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Dinosaur tracks have been found on all continents, except ______.
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Antarctica
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Quadruped tracks are the most common type of dinosaur tracks, suggesting that most dinosaurs walked on four legs.
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False
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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 ______.
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Dinosaur stomping grounds
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Theropod tracks generally have relatively long and narrow digit impressions, each digit ending with sharp, slender claw marks.
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True
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Coprolites are trace fossils representing stones that were swallowed to assist in the digestion of food.
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False
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Dinosaurs did not drag their tail or belly, indicating they walked upright with their limbs directly (or nearly so) under their body.
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True
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The heel of tridactyl theropod tracks is more rounded than the hell of tridactyl hadrosaurs tracks.
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False
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More than one consecutive dinosaur track is a ______.
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Trackway
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The term \"pentadactyl\" refers to a foot or hand with how many digits?
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5
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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.
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False
