Download Animals: Chapter 3 Study Guide

Animals: Chapter 3 Study Guide
True or False: Correct False
1. The yolk provides oxygen to the embryo.
2. Reptiles are adapted to life on land because they have an amniotic egg.
3. The nerve cord is a flexible structure that is usually replaced by a backbone.
4. Most vertebrates have an open circulatory system.
5. The skeleton of all vertebrates is made of cartilage.
6. Lizards are endothermic.
7. Fish, Amphibians, and reptiles are all endotherms.
8. The skeleton of most adult vertebrates is made of allantoises.
9. Stingrays are cartilaginous fish.
10. Lampreys are parasitic jawless fish.
11. Most fish breathe by using denticles.
12. Most fish reproduce with sexual reproduction, where the female lays eggs in
which the embryo has already began to form.
13. Jawless fish store oil in their liver to help them stay afloat.
14. Guppies are bony fish.
15. Ray-finned fish are some of the fastest swimmers in the world.
16. Amphibian means “double life”.
17. Amphibians have scales because they spend so much time in the water.
18. Amphibians can get oxygen through their skin and lungs.
19. All amphibians go through metamorphosis.
20. 90% of amphibians are caecilians.
21. Compared with frogs, toads have more webbing in their feet.
22. Female sea turtles come ashore to sleep.
23. Most modern species of reptiles are snakes.
24. The albumen in the reptile’s egg provides water to the embryo.
Answer each of the following:
25. Reptiles lay a(n) ___________egg, which is surrounded by a shell.
26. How does a frog vocalize? Why?
27. What do we call the change from a tadpole to an adult frog?
28. What is the aquatic larva of an amphibian called?
29. What is the saclike organ that takes oxygen from the air and delivers it to the
blood?
30. What is the organ that removes oxygen from the water?
31. What helps protect a fish’s body and help reduce friction as it swims?
32. What is the word for cold-blooded?
33. What is the word for warm-blooded?
34. What is the tough flexible material that makes up our ears and nose called?
35. What are the bones of the backbone called?
36. In vertebrates, the nerve cord is filled with a fluid. What is this fluid called? What
is this cord called?
37. What runs along the back of chordates?
38. What do we call animals with a backbone? Without a backbone?
39. Regulating internal body temperature is characteristic of ?
40. What are fins used for?
41. What is the lateral line system?
42. What does a swim bladder do?
43. In some chordates, the pharyngeal pouches develop into?
44. What do the vertebrae protect?
45. What type of fertilization do most frogs have?
46. The early ancestors of mammals are the ?
47. What are characteristics of all chordates?
48. What Classes of vertebrates are ectothermic? Endothermic?