Answered: Approximately when did life first…

Approximately when did life first appear on land A. 500 million years ago B. 2 billion years ago C. 700 million years D. 1.5 million years ago

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter18: Life's Origin And Early Evolution

Section: Chapter Questions

Problem 2SA: The first interval of Earths existence is called the ________. a. Cambrian c. Proterozoic eon b....

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Question

Approximately when did life first appear on land

A. 500 million years ago

B. 2 billion years ago

C. 700 million years

D. 1.5 million years ago

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