The exoskeleton of insects is composed mainly of what material?
A) chitin
B) calcium carbonate
C) hydroxyapatite
D) collagen
E) waxes
Correct Answer:
Verified
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Q118: The hydroxyapatite that makes up the bulk
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Q123: Which of the following would be part
Q124: Which of the following statements about the
Q125: Which of the following statements is FALSE?
A)All
Q126: Animals with endoskeletons do not have any
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