Ch. 31 Test A
Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Reptile hearts contain
a. | one atrium and one ventricle. | b. | one atrium and either one or two
ventricles. | c. | two atria and two ventricles. | d. | two atria and either one or two
ventricles. |
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2.
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One reason for the first great adaptive radiation of reptiles was that
a. | reptiles could reproduce without water. | b. | reptiles were
strictly aquatic. | c. | Earth’s climate became warmer and more
humid. | d. | lakes and swamps became more numerous. |
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3.
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One characteristic that all dinosaurs shared was
a. | a similar body size. | b. | the number of legs they used for moving around
on land. | c. | what they ate. | d. | how the embryos
developed. |
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4.
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Which of the following is NOT an adaptation for a completely terrestrial
life?
a. | limb girdles | c. | scaly skin | b. | lungs | d. | amniotic egg |
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5.
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Compared with the limbs of most amphibians, the limbs of reptiles tend to
be
a. | smaller and weaker. | b. | capable of carrying less
weight. | c. | located farther under the body. | d. | less specialized in form and
function. |
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6.
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All reptiles reproduce by
a. | internal fertilization, and most are oviparous. | b. | internal
fertilization, and most are viviparous. | c. | external fertilization, and most are
viviparous. | d. | external fertilization, and all are ovoviviparous. |
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7.
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A four-chambered heart is found in
a. | tuataras. | c. | turtles. | b. | snakes. | d. | alligators. |
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8.
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Caimans and gavials belong to the order
a. | Squamata. | c. | Testudines. | b. | Crocodilia. | d. | Rhynchocephalia. |
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9.
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What is the order in which food passes through the digestive system of a
seed-eating bird?
a. | large intestine › crop › stomach › small
intestine | b. | stomach › large intestine › crop › small
intestine | c. | crop › stomach › small intestine › large
intestine | d. | crop › large intestine › small intestine ›
stomach |
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10.
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Which of the following statements about temperature regulation in birds is NOT
correct?
a. | Birds are endotherms. | b. | A bird’s body temperature depends on the
temperature of the outside environment. | c. | Bird’s can generate their own body
heat. | d. | Feathers help birds conserve body heat. |
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11.
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The main function of contour feathers is to
a. | trap air close to a bird’s body. | b. | provide the lifting force and balance needed
for flight. | c. | make a bird’s respiratory system more efficient. | d. | release a powder
that repels water. |
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12.
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A bird’s respiratory system is more efficient than that of other land
vertebrates because
a. | inhaled air passes directly into the lungs. | b. | oxygen-poor air is
inhaled along with oxygen-rich air. | c. | air flows through the lungs in only one
direction. | d. | none of the space in the lungs is occupied by tubes. |
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13.
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The structure of a bird’s heart ensures that
a. | oxygen-rich blood never mixes with oxygen-poor blood. | b. | oxygen-rich blood is
always pumped to the lungs. | c. | oxygen-poor blood is always pumped to the
body. | d. | oxygen-poor blood never enters the heart. |
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14.
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If a bird has a hooked bill and sharp talons, it might be a(an)
a. | water bird. | c. | bird of prey. | b. | ostrich. | d. | perching bird. |
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15.
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Which of the following is NOT a likely mechanism by which migrating birds find
their way?
a. | using stars as guides | b. | following landmarks | c. | following the scent
of certain flowers | d. | sensing Earth’s magnetic
field |
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Completion
Complete each
statement using the word bank.
amniotic
energy extinction
four magnetic
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16.
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A mass ____________________ at the end of the Cretaceous Period was caused by a
series of natural disasters and marked the end of the dinosaurs.
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17.
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An egg in which the embryo is protected by several membranes is called a(an)
____________________ egg.
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18.
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Birds require an enormous amount of ____________________ for flight and for
maintaining a constant body temperature.
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19.
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Birds have a(an) ____________________- chambered heart.
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20.
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On a dark, moonless night with overcast skies, some migrating birds may still
find their way by following Earth’s ____________________ field.
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