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 evolvedI 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

What occurred during the Cambrian period of plant evolution?(a) Single

1.	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 evolvedI 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
Answer» 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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