Which animal phylum was the first to develop a dorsal nerve cord a backbone?

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asked Sep 10, 2023 79.5k views

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Which animal phylum was the first to develop a dorsal nerve cord a backbone?

Biology
college

Sole asked

by Sole

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1 Answer

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Answer:

Chordates?

Step-by-step explanation:

Radu Topor answered Sep 15, 2023

by Radu Topor

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