The first cellular life appeared on Earth abo | vedclass

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(B) According to the evolutionary timeline,the Earth was formed about $4.5$ billion years ago. The first non-cellular forms of life originated about $

Vedclass · Accepted Answer

$2000$ million

Vedclass · Answer

(B) According to the evolutionary timeline,the Earth was formed about $4.5$ billion years ago. The first non-cellular forms of life originated about $3$ billion years ago. The first cellular forms of life appeared on Earth about $2000$ million years ago (which is equivalent to $2$ billion years ago).

The first cellular life appeared on Earth about ......... years ago.

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