The reptiles, like dinosaurs, were dominant in______period.

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Cretaceous

Jurassic

Tertiary

Triassic

answer is B.

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Detailed Solution

Concept- In the Mesozoic era's Jurassic period, reptiles existed. The Mesozoic era, also known as the Middle Life era, is regarded as the era of massive reptiles like dinosaurs and other kinds of creatures. During this Jurassic epoch, a number of significant organisms that include both vertebrates and invertebrates first emerged.
Clays and calcareous stones, which are abundant in fossilized plants and animals, are found in Jurassic rocks. There were ferns, cycads, ginkgos, conifers, and rushes among the plants. Important invertebrates included corals, brachiopods, bivalves, echinoids, and ammonites (on which the Jurassic is zoned).
Hence, the correct answer is option 2- Jurassic.

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