revandrealewis3 revandrealewis3

20-10-2019
Biology

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The vertebrates lung first appeared in

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ashleydiaz1012 ashleydiaz1012

20-10-2019

The vertebrates first appeared in the fossil record, as a jawless fish, approximately 550 million years ago at the start of the Cambrian period

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28-07-2020

Answer:Fish

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