BIOLOGY HIGH SCHOOL

The first vertebrates appeared in which period?a. Cambrian
b. Ordovician
c. Silurian
d. Devonian

Answers

Answer 1
Answer: The first vertebrates appeared in the Paleozoic Era, specifically the Cambrian period. The vertebrates were jawless fish with backbones made out of cartilages. It was thought that the first fishes evolved during this period. The correct answer to this question is letter "A. Cambrian". I hope this helps.
Answer 2
Answer:

Answer:

The answer is Cambrian Hopefully this helps any T4L students!

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Answers

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Answers

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Answers

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