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Question
Birds and mammals in geological development of earth arose in period
Birds and mammals in geological development of earth arose in period
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Solution
The correct option is B Jurassic
The evolution of bird began in Jurassic period with the earliest bird derived from a clade of theropod dinosaurs named paraves. Mammals appeared on the earth long before the extinction of the dinosaurs; in fact, dinosaurs and mammals originated within 10 million years of each other, in the late Triassic about 200 million years ago. So, the correct answer is "Jurassic".
The evolution of bird began in Jurassic period with the earliest bird derived from a clade of theropod dinosaurs named paraves. Mammals appeared on the earth long before the extinction of the dinosaurs; in fact, dinosaurs and mammals originated within 10 million years of each other, in the late Triassic about 200 million years ago.
So, the correct answer is "Jurassic".
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