Multiple choice

The age of mammals

  1. Cenozoic

  2. Mesozoic

  3. Paleozoic

  4. Precambrian

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A Correct answer
Explanation

The Cenozoic Era is widely known as the Age of Mammals because mammals diversified and became the dominant land animals during this time. The Mesozoic is the Age of Reptiles, and the Paleozoic predates the rise of modern mammal dominance.