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dalvyx [7]
3 years ago
9

About how long ago did the first single-celled life form appear on Earth?

Biology
1 answer:
stich3 [128]3 years ago
5 0

Answer:

Around 4.1 billion years ago, the first single celled life form appeared on Earth

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Which of the following is NOT a component of a nucleotide?
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Option D.

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The inheritance of biological characteristics is determined by individual units called ___, which are passed from parents to off
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genes, alleles, dominant, sexually reproducing, two copies, segregate, gametes, independently

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