Chapter 17

Question 1

The endoskeletons of all vertebrate animals have a _______

Answer 1

skull and vertebral column

Question 2

The walls of a vertebrate heart chamber are made of

Answer 2

muscle

Question 3

The spinal cord and _______ are part of the central nervous system

Answer 3

brain

Question 4

The structure that manufactures urine by filtering the blood is the _______

Answer 4

kidney

Question 5

A fish moves by

Answer 5

flexing its entire body

Question 6

Lampreys and hagfish differ from other fish because they

Answer 6

have no jaws

Question 7

What organ do young amphibians have that the adults usually do not have

Answer 7

gills

Question 8

A frog’s tongue is sticky, used to catch food and __________

Answer 8

attached to the front of its mouth

Question 9

Amphibian skin may be used in respiration, be smooth and moist, and _____________

Answer 9

secrete distasteful substances

Question 10

Which sense do snakes not have?

Answer 10

hearing

Question 11

Similar to but more flexible than bone

Answer 11

cartilage

Question 12

describes blood that has high carbon dioxide content

Answer 12

deoxygenated

Question 13

a muscle important to breathing

Answer 13

diaphragm

Question 14

branches off the spinal cord

Answer 14

spinal nerve

Question 15

absorbs digested food

Answer 15

small intestine

Question 16

produces bile

Answer 16

liver

Question 17

the Komodo dragon is a very large one

Answer 17

lizard

Question 18

lays its eggs in long strings in the water

Answer 18

toad

Question 19

a fish that has no jaws

Answer 19

lamprey

Question 20

has a cartilage skeleton and gills

Answer 20

shark

Question 21

one-of-a-kind reptile found only in New Zealand

Answer 21

tuatara

Question 22

a kind of snake with heat detectors

Answer 22

pit viper

Question 23

a freshwater turtle that may come onto land

Answer 23

terrapin

Question 24

Be able to label the following parts of a frog’s digestive system

1. liver
2. small intestine
3. esophagus
4. gallbladder
5. pancreas

Answer 24

use diagram on page 311

Question 25

a _________ has exactly two sets of teeth and undergoes metamorphosis

Answer 25

frog

Question 26

a __________ has a heart with two chambers and a skeleton made of cartilage

Answer 26

shark

Question 27

a ________ has heat sensing pits and molts its scales regularly

Answer 27

snake

Question 28

a _______ has no teeth

Answer 28

tortoise

Question 29

What term describes man’s study of living things to discover better solutions for human problems?

Answer 29

biomimicry

Question 30

What is the state of inactivity that amphibians may enter during hot, dry weather?

Answer 30

estivation

Question 31

True or False

In a fish’s gills, oxygenated blood becomes deoxygenated

Answer 31

False

Question 32

True or False

Lungs have many capillaries

Answer 32

True

Question 33

True or False

The eye is a large and complex sensory receptor

Answer 33

False

Question 34

True or False

As a tadpole changes to a frog, its tail falls off

Answer 34

False

Question 35

True or False

All snakes are meat eaters

Answer 35

True

Question 36

True or False

Snake jaws are doubly hinged

Answer 36

True

Question 37

True or False

Alligators inhabit more ares of the United States than crocodiles do.

Answer 37

True

Question 38

True or False

Some turtles are born with gills

Answer 38

False