Multiple choice

Dinosaurs were _____.

  1. mammals that became extinct

  2. large herbivorous creatures which gave rise to hippopotamus species

  3. egg - laying mammals

  4. reptiles that became extinct
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Dinosaurs were a diverse group of reptiles that dominated Earth for over 160 million years before becoming extinct approximately 65 million years ago.

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