Dominant flora, 2.5 billion years ago was

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Dominant flora, 2.5 billion years ago was

Options

(a) ferns
(b) mosses
(c) blue green algae
(d) archaebacteria

Correct Answer:

blue green algae

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Evolution (132)
Subject: Biology (4253)

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