1. Chapter 25
Fish and Amphibians

2. Which traits are shared by all vertebrates?
(a) jaws and teeth (b) an exoskeleton (c) ten fingers and toes (d) an endoskeleton

3. D An endoskeleton

4. Which of the following is classified in the class Chondrichthyes?
(a) salmon (b) lungfish (c) whale shark (d) blue whale

5. C Whale Shark

6. During the larval stage, most amphibians breathe thru
(a) gills (b) lungs (c) skin(d) their nose

7. A
Gills

8. All amphibians
(a) start life on land (b) start life as aquatic larvae (c) migrate daily between water and land (d) lay hard-shelled eggs

9. B Start life as aquatic Larvae

10. Because fish are ectothermic, their body temperature is regulated by
(a) Caloric intake (b) external environment (c) lateral line movements (d) electrical currents

11. B External Environment

12. The function of the jellylike coating on freshly laid amphibian eggs is to
(a) provide nutrients for the embryos (b) camouflage the eggs (c) make the eggs invisible (d) gross out people who try and touch them

13. A Provide Nutrients

14. Which of the following is not true about fish
(a) have well developed eyes (b) has two or four nostrils (c) has a three chambered heart (d) have lateral lines

15. C A three chambered heart

16. In fish, the actual exchange of gases takes place in the capillaries of the
(a) operculum (b) lungs (c) gills (d) nostrils

17. C Gills

18. The frog heart
(a) allows for gill breathing (b) has two atria and one ventricle (c) has two chambers (d) has two atria and two ventricles

19. B
Two atria and one ventricle

20. Which of the following is not an amphibian
(a) salamander (b) toad (c) gecko (d) tree frog

21. C
Gecko

22. The frog’s tympanic membranes are
(a) mouth parts (b) eyelids (c) vocal cords (d) eardrums

23. D
Eardrums

24. What was the color of frog’s gall bladder
(a) blue (b) yellow (c) green (d) red

25. C green

26. Endotherms are capable of maintaining a constant body temperature by
(a) using the rays of the sun (b) converting food energy into heat (c) absorbing the heat of the water around them (d) turning up the thermostat

27. B
Converting food energy into heat

28. This fin lies on top of the fish (a) pelvic (b) pectoral (c) anal (d) dorsal

29. D
Dorsal

30. What is the purpose of the vomerine teeth
(a) helps frog suck blood (b) holds in food (c) chews the food (d) scares away predators

31. B
Holds in food

32. Metamorphosis must take place before amphibians can
(a) swim (b) feed themselves (c) live on land (d) breathe

33. C
Live on land

34. The small intestines are held in place by
(a) mesentery (b) muscles (c) thread (d) nothing, they are allowed to jiggle around

35. A
Mesentery

36. Having a well developed brain and sense organs in the skull

37. cephalization

38. Bores holes in fish and lives off the body fluids

39. Lamprey or hagfish

40. Another name for the tail fin

41. Caudal

42. Gill covering that acts as protection

43. Operculum

44. Series of bones that surrounds the spinal cord

45. Vertebrae

46. Organ in the fish that detects smell

47. Olfactory

48. Equalizes air pressure between the ear and mouth

49. Eustachian Tube

50. Passage between the throat and lungs

51. Glottis

52. Opening for eggs, sperm, feces, and urine

53. Cloaca

54. Transparent eyelid that protects the eye

55. Nictitating membrane

56. Dramatic change from larva to adult

57. metamorphosis

58. Bone that transmits sound from the eardrum to the inner ear

59. Columella

60. Organ that produces bile

61. Gall Bladder

62. Final Question

63. Other than the four chordate characteristics, name four characteristic common to all vertebrates.

64. Endoskeleton
Distinct skull
Closed circulatory system
Multi-chambered heart

65. Show the 4 characteristics of all chordates at some point in their life.
a. a notochord
b. dorsal hollow nerve cord,
c. pharyngeal slits
d. post-anal tail.

66. Describe two external and two internal changes that take place when a frog goes from a tadpole to an adult frog

67. Internal
Gills and 2 chambered heart to lungs and 3 chambered heart
External
Tail and no legs to no tail and legs

68. What are three differences between frogs and toads?(

69. Frogs must live near water toads do not
Frogs have moist skin, toads have dry
Frogs have smooth skin, toads have rough

70. Identify three characteristics to all amphibians

71. 3 chambered heart
Strong limbs
Moist skin

72. Identify three characteristics frogs have that help them to avoid predators

73. Eyes located on top of head
Strong legs allowing them jump far
Webbed feet help with swimming
Camouflage

74. Extra
1. Agnatha –
2. vertebrae –
3. Anura –
4. swim bladder –

75. 4 Characteristics of chordates
Notochord
Dorsal hollow nerve chord
Pharyngeal slits
Post anal tail

76. Additional info Agnatha, Vertebrae, Anura, Swim bladder
Why do sharks keep moving.
Difference between frogs and Toads
Characteristics of fish
Characteristics of Amphibians
Characteristics of all vertabrates