Which geological era is known as the 'Age of Reptiles' and comprises the Triassic, Jurassic, and Cretaceous periods?
Answer and explanation
Correct answer: C. Mesozoic era
- Step 1: Earth's history is divided into major geological eras: Precambrian, Paleozoic, Mesozoic, and Cenozoic.
- Step 2: The Mesozoic era (spanning 252 to 66 million years ago) is subdivided into the Triassic, Jurassic, and Cretaceous periods.
- Step 3: Dinosaurs, marine reptiles, and pterosaurs dominated terrestrial, aquatic, and aerial environments during this era, earning it the title 'Age of Reptiles'.
Answer
Mesozoic era.
Why not the others: Cenozoic era is the 'Age of Mammals and Angiosperms'; Paleozoic era was dominated by marine invertebrates, fishes, and early amphibians; Precambrian era precedes multicellular macroscopic life.
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