Multiple Choice
Chitin is a long-chain polymer derived from glucose. It strengthens cell walls of fungi and the outer covering (exoskeleton) of arthropods (including crabs, shrimps, and insects) . The presence of chitin in these groups is likely the result of which of the following processes?
A) secondary endoparasitism
B) horizontal gene transfer
C) paraphyletic evolution
D) convergent evolution
Correct Answer:

Verified
Correct Answer:
Verified
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