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guajiro [1.7K]
3 years ago
5

Which structure in these animals helps protect their internal body parts.

Biology
2 answers:
Artemon [7]3 years ago
4 0
Option (A) it's shell
Naddik [55]3 years ago
3 0
I would say  a:  because a backbone is a spine and gills are air way for fish to breathe and muscles are their power in their body
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