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What occurred during the Cambrian period of plant evolution?

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in Biology – Class 12 by (271k points)
What occurred during the Cambrian period of plant evolution?

(a) Single-celled bacteria evolved in the sea

(b) Blue-green algae evolved in the sea

(c) Marine multicellular algae evolved

(d) Unicellular plants evolved

I got this question in an online interview.

This intriguing question originated from A Brief Account of Evolution of Plants topic in section Evolution of Biology – Class 12

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Right answer is (c) Marine multicellular algae evolved

For explanation I would say: Marine bacteria evolved. Along with this, colonial multicellular filamentous algae evolved in oceans during the Cambrian period. This occurred about seven crore years ago.

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