Chordate Study Guide

1. What are the 4 characteristics shared by all chordates (4 marks)
2. The adult seasquirt (Urochordata) has only one of the characteristics of the phylum chordata.
3. Which characteristic does it have? (Urochordate)
4. Why is it still considered a member of phylum chordata?(Urochordata)
5. What is the main function of the kidney in a freshwater fish?
6. Describe 3 adaptations of reptiles to living on land (3 reasons)
7. Which class do Snake, lizards, crocodiles, and turtles belong to?
8. Which class do Wolves, whales and humans belong to?
9. The circulatory system of an adult frog consists of
10. Jaws first occurred in which of the following classes?
11. Characteristics shared by both reptiles and birds are
12. Mammals that are born in an immature state and then continue their developement in a pouch on the mother are called
13. Which of the following is a member of the Class Osteichthyes
14. What are the parts of an amiotic egg and their function?
15. Which chordate class contains animals that use a rasping tongue to obtain food?
16. What are the three main characteristics of the Class Mammalia?
17. Did mammals coexist with dinosaurs?
18. What was the earliest mammal a predator or herbivore?
19. Which modern chordate group is thought to be most like the earliest chordates?
20. The invertebrate phylum most closely related to chordates is?
21. What are the charactertistic of birds that only they have?
22. Which chordate has no lungs?
23. What does the circulatory system of a bony fish consists of?
24. The mammalian umbilical cord has evolved from which two parts of the reptile egg?
25. Which of the chordates are an Endotherm (“warm-blooded”)?
26. The amniote egg first evolved in which of the following groups?
27. What is the purpose of the allantois in the amniotic egg?
28. What for nitrogen was does the mammalian kidney excrete?
29. Which chordate has teeth in their jaws?
30. Which chordate class has the most diversity?
31. Which chordate class can live in the most diverse habitats.
32. Which chordate class can fly, swim, and crawl?
33. Which chordate has metamorphosis?
34. Which chordates have hair?
35. Which chordates have fur?
36. Which chordates have lungs and claws?
37. As chordates evolved onto land which systems changed?
38. As chordates evolved how do reproductive strategies change?
39. What are example of symbiosis in chordates?
40. How do skin tissues change with the evolution of chordates?
41. If a predatory bird population is hunting just mice, what is the ecological association between the two species?
42. If one species of fish is eating the same food as another species, what ecological relationship is this?
43. What three strategies do mammals have for gestation of their young?
44. What is the difference between viviparous and oviparous?
45. How are the lungs of a bird different ?
46. Which chordates have urea?
47. Which chordates have ammonia?
48. Which chordates have uric acid?
49. What is the advantage of teeth in sockets?
50. Which chordate does not have teeth?