Ch. 32 Mammals
Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Which sequence correctly describes the path of newly swallowed plant food
through the digestive tract of a cow?
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2.
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Hominids differ from other primates on the basis of all of the following
EXCEPT
a. | method of reproduction. | b. | shape of the hip bones. | c. | method of
locomotion. |
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3.
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A primate that is blind in one eye would have difficulty
a. | estimating the distance to an unfamiliar object. | b. | distinguishing
between objects on the basis of their color. | c. | holding an object in the hand that is on the
same side as that eye. |
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4.
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Convergent evolution has occurred in mammals because
a. | continents have drifted apart. | b. | different mammals eat the same
foods. | c. | similar ecological opportunities have existed in widely separated
places. |
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5.
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A mammal that cannot properly adjust its breathing rate under varying conditions
probably has a defect in its
a. | medulla oblongata. | b. | spinal cord. | c. | cerebrum. |
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6.
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A hoofed mammal is either a(an)
a. | perissodactyl or an artiodactyl. | b. | artiodactyl or a sirenian. | c. | sirenian or a
xenarthran. |
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7.
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The egg-laying mammals are called
a. | marsupials. | b. | monotremes. | c. | insectivores. |
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8.
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Mammals of species X reproduce without forming a placenta. You could determine
to which of the three groups of mammals species X belongs if you knew any of the following
EXCEPT
a. | how it controls its body temperature. | b. | how its young obtain milk from the
mother. | c. | what happens to its eggs after they are fertilized. |
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9.
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An example of a prosimian is a(an)
a. | orangutan. | b. | lemur. | c. | baboon. |
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10.
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Which body system includes the rumen?
a. | excretory | b. | respiratory | c. | digestive |
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11.
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To determine whether a vertebrate is a bird or a mammal, it would be useful to
know if it
a. | breathes air. | b. | is an endotherm. | c. | has
hair. |
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12.
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The similar appearance of armadillos and aardvarks is an example of
a. | homeostasis. | b. | continental drift. | c. | convergent
evolution. |
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13.
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In which of the following mammals does an embryo spend the most time developing
inside the mother?
a. | koala | b. | echidna | c. | elephant |
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14.
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The first true mammals appeared during the
a. | Cretaceous Period. | b. | Cenozoic Era. | c. | late Triassic
Period. |
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15.
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One group of mammals is reproductively different from the other two groups
because its members
a. | are live-bearing. | b. | do not nourish their young with
milk. | c. | lay eggs. |
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16.
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Having a thumb that can move against the other fingers makes it possible for a
primate to
a. | display elaborate social behaviors. | b. | hold objects firmly. | c. | merge visual
images. |
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17.
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The function of a placenta is to
a. | increase the volume of the chest cavity during breathing. | b. | store urine until it
is eliminated from the body. | c. | exchange materials between an embryo and its
mother. |
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18.
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Bipedal locomotion consists of
a. | walking on two feet. | b. | moving the big toe against the other
digits. | c. | using the tail to grasp branches during walking. |
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19.
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The three main groups of mammals are the
a. | platypuses, echidnas, and marsupials. | b. | rodents, carnivores, and
primates. | c. | monotremes, marsupials, and placental mammals. |
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20.
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The mammalian circulatory system consists of
a. | four separate loops powered by a two-chambered heart. | b. | one loop powered by
a four-chambered heart. | c. | two separate loops powered by a four-chambered
heart. |
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21.
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Which of the following mammals is a proboscidean?
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22.
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Mammals are characterized by each of the following EXCEPT
a. | endothermy. | b. | three-chambered hearts. | c. | mammary
glands. |
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23.
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The volume of the chest cavity increases when
a. | the rib cage moves up and outward. | b. | the rib cage lowers. | c. | air leaves the
lungs. |
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24.
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An example of an animal with a marsupium is a(an)
a. | sea lion. | b. | mouse. | c. | kangaroo. |
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25.
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The earliest mammals
a. | were small and probably were most active during the daytime. | b. | probably were
nocturnal and ate insects. | c. | appeared about 65 million years ago and had
simple teeth. |
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26.
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A feature that is present in most female mammals, but not male mammals,
is
a. | the ability to nourish young with milk. | b. | breathing
air. | c. | subcutaneous fat. |
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27.
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On which continent would you find a monkey that can hold onto a branch while it
uses its hands and feet to grasp something else?
a. | Asia | b. | South America | c. | Australia |
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28.
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Which of the following animals is LEAST closely related to the other
three?
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29.
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Which part of a mammal’s brain contains a well-developed cerebral
cortex—the center of thinking?
a. | medulla oblongata | b. | cerebellum | c. | cerebrum |
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30.
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To release heat from their bodies when necessary, some mammals use their
a. | sweat glands. | b. | high rate of metabolism. | c. | subcutaneous
fat. |
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31.
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Which organ is used by a cow to feed her newborn calf?
a. | rumen | b. | mammary gland | c. | marsupium |
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32.
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A primate that uses its prehensile tail to swing from branch to branch is
the
a. | macaque. | b. | squirrel monkey. | c. | orangutan. |
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33.
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In mammals, the amount of water in the body is controlled mainly by the
a. | lungs. | b. | kidneys. | c. | diaphragm. |
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34.
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Which of the following is NOT a characteristic of primates?
a. | flexible digits | b. | a cloaca | c. | binocular
vision |
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True/False Indicate whether the
statement is true or false.
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35.
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The first mammals were very large.
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36.
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A mammal with reduced canines and flattened premolars is most likely a
herbivore.
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37.
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All mammals are ectotherms.
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38.
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Among mammals, only the monotremes lay eggs.
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39.
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A mammal that can learn to find its way through a maze more quickly than another
mammal probably has a better-developed cerebellum.
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40.
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Bush babies and lemurs are in the group of primates known as
anthropoids.
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41.
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Convergent evolution has produced mammals that have different adaptations
on different continents.
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42.
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Primates have opposable vision, which is the ability to merge images from
both eyes.
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43.
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Slow-moving, herbivorous mammals that live in rivers and warm coastal waters are
in the order of sirenians.
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44.
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Cows can digest cellulose because they have symbiotic bacteria in their
rumen.
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45.
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New World monkeys live almost entirely in trees.
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Completion Complete each statement
using the following word bank. COPY AND
PASTE!
artiodactyls backbone bipedal cerebrum convergent
evolution duckbill platypus hair mammary glands new
world placenta plants
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46.
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Primates that walk on two feet use ____________________ locomotion.
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47.
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Two features that are found in all mammals but are not found in other chordates
are hair and _________________________.
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48.
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A flexible ____________________ allows mammals to move both vertically and from
side to side.
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49.
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Because an oryx has four toes on each foot, this hoofed mammal is classified in
the order called ____________________.
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50.
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If geographically isolated species have similar characteristics that were not
present in their ancestors, those mammals are said to have undergone
_________________________.
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51.
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If a mammal has a rumen in its digestive tract, the mammal’s molars and
premolars are adapted for grinding ____________________.
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52.
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Primates can display more complex behaviors than many other mammals because
their brains have a well-developed ____________________.
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53.
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Mammals have ____________________ and body fat that help conserve body
heat.
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54.
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The anthropoids that are native to Central and South America are called
____________________ monkeys.
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55.
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The only monotremes that exist today are the _________________________ and the
spiny anteaters.
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56.
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During embryonic development, a young mammal receives oxygen and nutrients and
eliminates wastes through the _________________________.
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