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PIT_PIT [208]
3 years ago
9

Which of these is not true of all vertebrates? A They are mammals. B They have a backbone. C Their phylum is chordata. D They ha

ve gills in their development.\
Social Studies
1 answer:
just olya [345]3 years ago
4 0

Answer:

A. they are mammals

Explanation:

not all vertebrates are mammals. Fish, reptiles, birds, and more are vertebrates.

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