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nata0808 [166]
2 years ago
7

Q.18. During which period did the first trilobites appear?

Biology
2 answers:
nirvana33 [79]2 years ago
8 0

Answer:

A. Cambrian period

Hope this helps :)

frez [133]2 years ago
7 0

Answer:

a) cambrian

Explanation:

The first body fossils of trilobites appeared in the Early Cambrian Period, about 540 million years ago.

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