Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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If an
animal is an ectotherm, it has a. | a skeleton on the outside of its
body. | b. | a skeleton on the inside of its body. | c. | a body that
controls its internal temperature. | d. | a body that does not produce much internal
heat. | | |
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2.
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When
the temperature of the environment changes, the body temperature of a reptile a. | changes. | b. | stays the same. | c. | always
increases. | d. | always decreases. | | |
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3.
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An
animal whose body temperature does not change much, even when the temperature of the environment
changes, is called ( Humans are an example ) a. | a temperature regulator. | b. | a cold-blooded
animal. | c. | an endotherm. | d. | an
ectotherm. | | |
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4.
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Most
adult amphibians can obtain oxygen through a. | gills and lungs. | b. | gills and thin,
moist skin. | c. | lungs and thin, moist skin. | d. | lungs
only. | | |
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5.
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How
many chambers are there in a typical adult amphibian's heart?
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6.
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Amphibians are especially sensitive to changes in the environment
because a. | few amphibians
have camouflage. | b. | their eggs are tough and leathery. | c. | they do well
only in sunny areas. | d. | their skin is very thin. | | |
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7.
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An
adult reptile can survive on dry land because its kidneys a. | help support the
weight of the reptile's body. | b. | produce concentrated urine. | c. | help the
reptile's cells obtain oxygen. | d. | keep the reptile's skin from drying
out. | | |
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8.
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Which
of these organs help a reptile keep water in its body? a. | skin and
heart | b. | skin and kidneys | c. | heart and
kidneys | d. | heart and lungs | | |
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9.
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How
is a reptile egg different from an amphibian egg? a. | It is covered with protective jelly. | b. | It has a soft,
leathery shell. | c. | It must be kept in shallow water. | d. | It does not
release carbon dioxide. | | |
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10.
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What
is one way in which a reptile's egg is adapted to survive on land? a. | The egg has a
hard, rigid shell. | b. | The egg has membranes that help keep the embryo
moist. | c. | The embryo has an air tube to get oxygen directly from the
air. | d. | The embryo's
skin keeps water in the egg. | | |
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11.
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One
major difference between lizards and snakes is that lizards a. | have
legs. | b. | are herbivores. | c. | can live in very
cold climates. | d. | can regenerate damaged limbs. | | |
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12.
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Which
of the following statements is true of the feeding behavior of all snakes? a. | They are
carnivores. | b. | They inject venom through fangs. | c. | They chew their
prey with sharp fangs. | d. | They strangle their prey. | | |
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13.
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Of
the kinds of reptiles alive today, the largest are the a. | venomous
snakes. | b. | turtles and tortoises. | c. | alligators and
crocodiles. | d. | iguanas and other lizards. | | |
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