Name: ______
Date: ______
AMPHIBIANS AND REPTILES
Read and study pp. 692 – 693, 707-708 of Miller-Levine
1. What do the two root words below translate to mean? (p. 692)
a) AMPHI : ______b) BIA/BIO : ______
2. Describe the type of respiratory organs that each amphibious stage uses.
a) Larvae/juvenile: ______
b) Adult: ______
3. List three reasons why most amphibians are strongly tied to aquatic environments. (p. 693)
a) ______
b) ______
c) ______
4. Copy out the textbook definition of an amphibian: ______
______
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5. How does the diet of the larval/juvenile-stage (tadpole) usually differ from the diet of the adult-stage (frog)? ( “Feeding” pp.695-696)
______
6. If frogs do not have chest muscles or a diaphragm, how do they get air into their lungs? (“Respiration” p. 697)
______
______
7. How many chambers does a frog’s heart have, and give their names? (p.697)
______
8. What structures do amphibians use to filter their blood, and what excretory product is given off from these structures (“Excretion” p. 698)
______
9. Amphibians are cold-blooded (ectothermic), what do most amphibians do during harsh seasons? (“Response” pp. 698-699)
______
REPTILES:
10. Give the textbook definition of a reptile (p. 707) ______
______
11. What is the one disadvantage of reptilian skin? (p. 708) ______
______
12. Describe the function of the main parts of an “amniotic egg”.(p. 708)
A) Shell/Membranes: ______
B) Yolk: ______
13. Explain how the respiratory system in reptiles is an improvement over that of amphibians. (p. 708) ______
______
______
14. How do reptiles get air into their lungs? (“Respiration p. 711) ______
______
15. Describe the heart of a crocodile or alligator.(p. 711)______
______
16. Reptiles do not put out a dilute solution of ammonia, but rather they put out a uric acid paste, explain why. (pp. 712-713)
______
17. Some snakes have heat pits, what do these sense organs do and why are they so beneficial for nocturnal snakes? (p. 713)
______
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18. Why do the leathery shells around an amniotic egg have pores? (p. 714) ______
______
19. What type of fertilization do reptiles use? ______