The exoskeleton of insects is
A) very soft and pliable.
B) rigid due to deposits of calcium.
C) rigid due to chitin.
D) rigid due to unique scleroproteins.
E) variable depending on the thickness of the chitin.
Correct Answer:
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A)neuropterans.
B)thysanurans.
C)zorapterans.
D)isopterans.
E)hemipterans.
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A)at the
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A)are parasitic.
B)feed on plant
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