BIO209

1. The name cyclostomata connotes: __________

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

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

4. Gnathostomes are vertebrates ____________

5. The prefix "cephalo" connote _______

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

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

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

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

10. Larvaceans are: ___________

11. Chordates with skull are referred to as _________

12. In the anurans: ___________

13. Tetrapods have ___________ number of limbs

14. ________ 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.

15. The osteichthyes have: __________

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

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

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

19. In chondrichthyes, buoyancy is supported by: __________

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

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

22. It is believed that chordates originated from _________

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

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

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

26. Gnathostomata refers to jawed _________

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 In vertebrates, the notochord has been replaced by _________

28. The urodeles are amphibians with: ________

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

30. Vertebrates are considered as: __________

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

32. The anurans are amphibians without: ____________

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

34. Zoogeography describes the distribution of __________ across the globe

35. The eggs of amphibians do not have _________

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

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

38. The skin of amphibians is: __________

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

40. The ostracoderms are: ______________

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

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

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

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

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

46. The amniotic membrane is found in: __________

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

48. Fowls belong to the bird order _________

49. Chondrichthyes are _________ fishes

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