During which geological era did mammals rise to dominance?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Biology Mcqsbiology-mcqs
Published
15 May 2018
Last updated
28 May 2026

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Explanation

Mammals became the dominant life forms during the Cenozoic Era, following the decline of the dinosaurs at the end of the Mesozoic. The Proterozoic, Paleozoic, and Mesozoic Eras preceded this period and were dominated by other forms of life.

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