6
QuizMultiple Choice

Early Earth History

Question 6 • FL-2002070-M/J Comprehensive Science 2 A-CR

A life-form in the Precambrian time was ____.

Answer
A
cyanobacteria
B
humans
C
reptiles
D
dinosaurs

Explanation

Cyanobacteria lived during the Precambrian, when some of Earth’s earliest life forms appeared. Humans, reptiles, and dinosaurs evolved much later, so the correct choice is cyanobacteria.

AI-written and checked against the verified answer.

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