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Mazyrski [523]
3 years ago
13

8. Fish have a bony structure called a

Biology
1 answer:
marta [7]3 years ago
5 0

Answer:

Each gill is supported by a gill arch – a bony structure that is oriented vertically on the side of a fish, just behind its head. The gill arch provides the support to hold a number of comb-like structures called gill filaments.

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