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Karo-lina-s [1.5K]
3 years ago
3

Why is a shell considered to be biotic?

Biology
2 answers:
Semmy [17]3 years ago
8 0

Answer:

The correct answer is "because it came from something living".

Explanation:

In biology, a shell is defined as a protective structure of mollusks and crustaceans. A shell is considered to be biotic because it came from something living. Shells are not in fact alive as they are made of calcium carbonate and in some cases α-chitin, two non living materials. However, since mollusks and crustaceans are living beings, shells are considered biotic.

devlian [24]3 years ago
6 0

the answer is C hope this helps

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