Biology

Question

1 pts

Question 8

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?

convergent evolution

• horizontal gene transfer

secondary endoparasitism

• paraphyletic evolution

Answer

Convergent evolution

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Convergent evolution is the process by which unrelated or distantly related organisms evolve similar traits due to having to adapt to similar environments or ecological niches...