Short Answer
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1.
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Directions: Use the illustration below to answer questions 1 through
3.
How are sponges like plants?
Why are sponges
classified as animals?
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2.
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What
role does water play in sponge reproduction?
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3.
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What
purpose, in addition to providing body support, do the spikes serve?
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4.
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Directions: Use the illustration below to answer questions 4 through
6.
What are the five groups of arthropods?
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5.
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How
do spiders differ from grasshoppers?
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6.
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Why
do arthropods molt?
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7.
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Directions: Use the following illustration to answer questions 7 through
9.
What were the first vertebrates, and when did they appear on
earth?
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8.
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What
are the functions of an endoskeleton?
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9.
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What
adaptations do endotherms have for maintaining body temperature?
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10.
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Directions: Use the following illustration to answer questions 10 through
12.
What two changes do most amphibians undergo in order to transition
from a water to a land environment?
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11.
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In
addition to breathing with lungs, how else do adult amphibians obtain oxygen and get rid of carbon
dioxide?
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12.
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How
do amphibians differ from reptiles?
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