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Question
Evolution of birds and mammals occured in
Evolution of birds and mammals occured in
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Solution
The correct option is D Jurasic period
The Jurassic Period was the second segment of the Mesozoic Era. It occurred from 199.6 to 145.5 million years ago, following the Triassic Period and preceding the Cretaceous Period. Dinosaurs may have been the dominant land animals, but they were not alone. Early mammals were mostly very small herbivores or insectivores and were not in competition with the larger reptiles. Adelobasileus, a shrew-like animal, had the differentiated ear and jaw bones of a mammal and dates from the late Triassic. Early mammals were developing and diversifying in the Jurassic. Also, Archaeopteryx, the first, primitive, dinosaur-like bird appeared about 150 million years ago, toward the end of the Jurassic. The Jurassic saw the rise of dinosaurs and first birds. Thus, option D is correct.
Therefore, the correct answer is option D.
The Jurassic Period was the second segment of the Mesozoic Era. It occurred from 199.6 to 145.5 million years ago, following the Triassic Period and preceding the Cretaceous Period. Dinosaurs may have been the dominant land animals, but they were not alone. Early mammals were mostly very small herbivores or insectivores and were not in competition with the larger reptiles. Adelobasileus, a shrew-like animal, had the differentiated ear and jaw bones of a mammal and dates from the late Triassic. Early mammals were developing and diversifying in the Jurassic. Also, Archaeopteryx, the first, primitive, dinosaur-like bird appeared about 150 million years ago, toward the end of the Jurassic. The Jurassic saw the rise of dinosaurs and first birds. Thus, option D is correct.
Therefore, the correct answer is option D.
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