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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 have gills in their development.\
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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 have gills in their development.\

User Matthias Herrmann
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Answer:

A. they are mammals

Step-by-step explanation:

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

User Tomiwa
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