BIO209

1. It is believed that chordates originated from _________

2. The prefix "cephalo" connote _______

3. Zoogeography describes the distribution of __________ across the globe

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

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

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

7. The osteichthyes have: __________

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

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

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

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

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

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

14. Gnathostomata refers to jawed _________

15. Vertebrates are considered as: __________

16. The eggs of amphibians do not have _________

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

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

19. The amniotic membrane is found in: __________

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

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

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

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

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

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

26. Tetrapods have ___________ number of limbs

27. The osteichthyes are __________ fishes

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

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

30. The name cyclostomata connotes: __________

31. In chondrichthyes, buoyancy is supported by: __________

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

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

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

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

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

37. The anurans are amphibians without: ____________

38. ________ 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.

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

40. Chordates with skull are referred to as _________

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

42. Gnathostomes are vertebrates ____________

43. The urodeles are amphibians with: ________

44. The ostracoderms are: ______________

45. Larvaceans are: ___________

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

47. Chordates are animals with with _______

48. In the anurans: ___________

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

50. Fowls belong to the bird order _________