SmithLifeScience
Name __________________ Period _____
Reading Study Guide Chapter 11 Fish, Amphibians,
and Reptiles
11-1 What is a Vertebrate?? (pp.368-371)
Introduction (p.368)
1. The ancient jawless fish on page 368 was as large as ___________________
Characteristics of Chordates (p.368-369)
2-4. At some point in their life chordates will have: Choose
3 correct characteristics
_____ Notochord
_____ Scales
_____ Nerve cord that runs down their back
_____ Fins
_____ Slits in throat area
5. A flexible rod that supports an animal's back is called a(n) ____________________.
6. The nerve cord that runs down your back is called the ____________ ___________.
7. What is the name of the chordate in Figure 1 on page 369? __________________
8. Name a chordate that keeps its gill slits its entire life. ________________
9. True or False Humans have gill slits before they are born.
Characteristics of Vertebrates (p.369-370)
10. A vertebrate has a backbone that is part of an __________________ skeleton.
11. Name the lizard in Figure 2 on page 369. __________________
12. Name the bone that protects the brain. _______________
13. What does the endoskeleton protect? ______________________
Keeping Conditions Stable (p.370-371)
14. Ectotherm Does it
mean: Cold-blooded
or Warm-blooded
15. Endotherm Does it mean: Cold-blooded or Warm-blooded
16. Name one adaptations endotherms have to keep cool or warm. ___________________
17. Which animal would be more active on a cold night?
cold-blooded animal warm-blooded animal
11-2 Fish (pp.374-380)
Introduction (p.374)
18. How does the Goby help the Graysby? __________________________________
Characteristics of Fish (page 375-377)
19. Circle the correct characteristics of
most fish.
a. ectotherm b. invertebrate
c. lungs
d. fins
e. endotherm
f. scales
g. smooth skin
h. gills
i. backbone
j. gets oxygen from water
Circle the correct answer
20. Most fish movement is related to ____________. Obtaining food
or Reproduction
21. Most fish have ______________ fertilization. External or internal
22. A catfish tastes using its _________. Tongue or Whiskers
Jawless Fish (page 377)
22. Jawless fish have no jaws and no ________________.
23. This jawless fish eats the tissues and blood of healthy fish. Lamprey or Hagfish
24. This jawless fish eats dead and dying fish. Lamprey or Hagfish

Cartilaginous Fish (378)
25-27. Name the three cartilaginous fish. __________ __________ __________
28-29. ______________ and _____________ spend time buried on the ocean floor.
True or False
30. ____________ Sharks have a great sense of smell.
31. ____________ Sharks have great eyesight.
32. ____________ Sharks don't sleep.
33. ____________ Sharks only eat fish.
34. ____________ Shark teeth are easily replaced.
Bony Fish (379-380)
Match the parts of the bony fish with their function (job).
_____ 35. Swim bladder a. Holds the gills
_____ 36. Gill Pocket b. Helps the fish stay upright in water
_____ 37. Scales c. Protects the body of the fish
_____ 38. Fins d. Helps stabilize the fish at different depths of water