BIO209

1. Chordates are animals with with _______

2. Zoogeography describes the distribution of __________ across the globe

3. The body of hemichordates is divided into proboscis, collar and _________

4. In the anurans: ___________

5. Chondrichthyes are _________ fishes

6. In adult amphibians, gas exchange takes place through the ________ and lungs

7. In the hemichordates, the notochord is located in the _______

8. The stage at which the notochord in urochordates is found is the __________ stage

9. The home region of urodels (tailed amphibians) is the ___________ region

10. The urodeles are amphibians with: ________

11. The prefix "cephalo" connote _______

12. Porcupines (spined pigs) are rodents with a coat of sharp spines, or quills, which the animal uses for __________ or camouflage from predators

13. Which of the following is not a feature of vertebrates?

14. The skin of amphibians is: __________

15. The Class Ostracodermi, now extinct, were characterized for lack of: _________

16. The amniotic membrane is found in: __________

17. The pectoral and pelvic fins of chondrichthyes are:_________

18. The eggs of amphibians do not have _________

19. The structure that encases the body of urochordates is the _________

20. It is believed that chordates originated from _________

21. The anurans are amphibians without: ____________

22. Apes and monkeys belong to the Order of Mammals called ________

23. The __________ (Hydrochoerus hydrochaeris) is the largest extant rodent in the world (weighing up to 91 kg).

24. ________ is aquatic animal that is capable of boring into the body of its prey, devouring all the soft parts and leaving the skin behind as an ordinary empty shell, held by bones.

25. A marine invertebrate chordate with pointed ends, well-defined notochord, body segmentation and head is a ____________

26. Tetrapods have ___________ number of limbs

27. Chordates with skull are referred to as _________

28. Vertebrates are considered as: __________

29. Rabbits and hares belong to the Order of Mammals called _________

30. The body scales of chondrichthyes can be described as: ___________

31. Animals that are characterize with gills is referred to as __________

32. Gnathostomes are vertebrates ____________

33. __________ are the third largest of the rodents (63-91 cm long; 5.4-16 kg), behind the capybara and the beaver.

34. Animals that are characterize with webbed feet are called __________

35. The osteichthyes are __________ fishes

36. Frogs are better adapted for living on land than toads because they have: _________

37. Gnathostomata refers to jawed _________

38. The amphibians are animals that live in __________ and land

39. _________ are normally wild and have relatively longer ears than rabbits and usually larger than rabbits

40. The name cyclostomata connotes: __________

41. In vertebrates, the notochord has been replaced by _________

42. In Chordates, ____________ is a stiff but flexible rod made up of tightly packed vacuolated cells held in position by a firm sheath.

43. Larvaceans are: ___________

44. In chondrichthyes, buoyancy is supported by: __________

45. Fowls belong to the bird order _________

46. The ostracoderms are: ______________

47. Which of the following is not a feature of the superclass Agnatha?

48. Rats, Mice, Guinea pigs belong to the Order of Mammals called ________

49. Zoogeography is often divided into two main branches: " _________ zoogeography" and "historical zoogeography"

50. The Class Placodermi, now extinct, were noted for having: ______________