Multiple choice

Which of the following animals dominated in the paleozoic era?

  1. Reptiles

  2. Fishes

  3. Birds

  4. Mammals
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Paleozoic Era (541-252 million years ago) was known as the 'Age of Fishes' because fishes first appeared and diversified extensively during this period. While amphibians, reptiles, and early life forms also existed, fishes were the dominant vertebrate group throughout much of the Paleozoic. Option B correctly identifies fishes.

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