Apologia Marine Biology module 5

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What is the mantle?

A sheath of tissue surround the the organs of a mollusk, producing a shell and aiding in respiration.

What is chitin?

A derivative of carbohydrate that provides flexibility and support. Exoskeletons are made of chitin

What is molting?

The process of shedding an exoskeleton and replacing it with a new one.

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