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24-02-2021
Biology

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2. Jellyfish are one of the oldest species on Earth. In what time period did they first appear? A. Precambrian Time B. Paleozoic Era C. Mesozoic Era D. Cenozoic Era

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DrippQueenMo DrippQueenMo

24-02-2021

Answer:

A. Precambrian Time

Explanation:

Fossil evidence of jellyfish dates back to the Cambrian Period, 500 million years ago.

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