"Great Thaw"

By: Answerout


Question: "Great Thaw"

Answer: The Correct Answer is in the Proterozoic :the first eukaryotic cells appear in the fossilrecord.may have first appeared between 2.1- 1.5 bya. a. these are protists. their hereditary material is contained within a cell nucleus

Reason Explained

The correct is in the Proterozoic :the first eukaryotic cells appear in the fossilrecord.may have first appeared between 2.1- 1.5 bya. a. these are protists. their hereditary material is contained within a cell nucleus

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