Ch. 29 Test in Text
Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The ancestors of most modern animal phyla first appeared during the
a. | Burgess period | b. | Cambrian Period | c. | Precambrian
Era | d. | Ediacaran Period |
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2.
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A cladogram shows
a. | evolutionary relationships | b. | size relationships | c. | symbiotic
relationships | d. | functional relationships |
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3.
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Roundworms, which have body cavities that are partially lined with mesoderm, are
classified as
a. | acoelomates | b. | coelomates | c. | deuterostomes | d. | pseudocoelomates |
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4.
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An animal that relies primarily on intracellular digestion is the
a. | sponge | c. | dragonfly | b. | clam | d. | earthworm |
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5.
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Which organ system does the diagram below illustrate?
a. | digestive system | b. | circulatory system | c. | excretory
system | d. | nervous system |
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6.
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In order for the exchange of oxygen and carbon dioxide to take place, an
animal’s respiratory surfaces must be kept
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7.
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In a closed circuatory system, blood
a. | comes in direct contact with tissues | b. | reamains within blood
vessels | c. | empties into sinuses | d. | does not transport
oxygen |
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8.
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Malphigian tubules convert nitrogen wastes into
a. | urine | c. | uric acid | b. | ammonia | d. | urea |
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9.
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The simplest nervous systems are called
a. | ganglia | c. | nerve nets | b. | motor neurons | d. | sensory neurons |
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10.
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Individual animals that produce both sperm and eggs are called
a. | gametes | b. | hermaphrodites | c. | buds | d. | fragments |
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