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Home Q & A Board Biology-Related Homework Help General Biology
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kajumbi kajumbi
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7 years ago
Were there any eukaryotic cells on Earth 1.5 billion years ago?
A) Yes, they first appear in the fossil record around 3.5 billion years ago.
B) Yes, they first appear in the fossil record around 2 billion years ago.
C) No, they do not appear in the fossil record until around 1 billion million years ago.
D) No, they do not appear in the fossil record until around 500 million years ago.
Textbook 
Biology: The Core

Biology: The Core


Edition: 2nd
Author:
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SKDSKD
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7 years ago
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kajumbi Author
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7 years ago
THANK YOU
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5 years ago
Thank you.
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3 years ago
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