Apologia Biology module 12 study guide – Flashcards
Unlock all answers in this set
Unlock answersquestion
What are the five common characteristics of Arthropods?
answer
Exoskeleton, Body Segmentation, jointed appendages, ventral nervous system, and an Open circulatory system.
question
In order to grow Arthropods must do what?
answer
Molt
question
An Arthropods body has what three segments?
answer
Head, Thorax, and abdoman
question
If the Arthropod is made up of two segments what are they?
answer
cephalothorax and abdoman
question
Where does the Crayfish get its sense of balance?
answer
antennule and the statocyst
question
Where does the Crayfish get its sense of taste and touch from?
answer
Antennae
question
What does the Crayfish use to grab prey and for defense?
answer
chelipeds
question
What does the Crayfish use for swimming?
answer
Swimmerets, telson, and uropods
question
What does the Crayfish use for both swimming and reproduction?
answer
Swimmerets
question
What purpose does the Green gland serve?
answer
It cleans the blood
question
What happens to a crayfish losses a limb?
answer
The crayfish uses it double membrane to seal the wound and regenerate the missing appendege.
question
Where do the fertilized eggs of a crayfish go?
answer
They attach to the Swimmerets six weeks before hatching.
question
The crayfish's brain is composed of what two parts?
answer
ganglia and nerve chord
question
Explain the flow of blood in a crayfish?
answer
It collects in the pericardial sinus around the heart: enter the heart through one of three openings which close when the heart is ready to pump; The heart pumps blood through the blood vessels which in turn sends the blood into various body cavity. gravity causes the blood to go into the sternal sinus where it is collected by blood vessels that are open at one end. they carry the blood back to the pericardial sinus where it passes though the gills release carbon dioxide and get oxygen: finale blood passes through the green gland to be cleaned.
question
Explain the process of digestion
answer
It uses its mandivals to break up food which enters the esophagus and goes into the two regions of the stomach. The first region grinds the food and the second region sorts the particals. If the particals are small enough they go to the digestive glands to compleate the digestive process, if they are to large they are sent to the intersine and expeled out of the anus.
question
Explain purpose of the fist region of the stomach
answer
To grind food up into fine particles
question
Explain the purpose of the second region of the stomach
answer
To sort the particals
question
What 5 characteristics set arachnids apart from other arthropods?
answer
cephalothorax, head, 4 pairs of walking legs, no antenna, simple and compound eyes
question
What 4 characteristics set insects apart from the other arthropods?
answer
head,thorax and abdomen; 3 pairs of walking or jumping legs; 1 pair of antenna; wings at some point in their life.
question
What are the 4 stages of complete metamorphosis?
answer
egg, larva, pupa, adult
question
What are the 2 differences between an nymph and an adult insect?
answer
a nymph lacks wings and reproductive organs
question
What takes the place of the respiratory system in an insect?
answer
A system of tracheaes that run through out their body.
question
If an insect has two membranous wings and 2 membranous balancers, what order does it belong?
answer
the orthoptera order
question
If an insect has horny wings, what order does it belong?
answer
the coleoptera order
question
If an insect has membranous wings & lives in a society with a specific function, what order does it belong?
answer
the hymenoptera order
