1
Question
Origin of first toothed birds and gymnosperms took place during which era?
Origin of first toothed birds and gymnosperms took place during which era?
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Solution
The correct option is C Jurassic
Jurassic era was the second phase of the Mesozoic era. It occurred from 199.6 to 145.5 million years ago. The reptiles are evident to have dominated this era and so, the existence of first toothed birds is believed to be during the Jurassic era. Although, the ferns were present but the gymnosperms were the dominant plant forms during this era. Gymnosperms were the con-bearing plants and they favoured the wind pollination. The sexual reproduction caused the accumulation of favourable variations due to which these plants became widespread.Hence, the correct answer is 'Jurassic'
Jurassic era was the second phase of the Mesozoic era. It occurred from 199.6 to 145.5 million years ago. The reptiles are evident to have dominated this era and so, the existence of first toothed birds is believed to be during the Jurassic era. Although, the ferns were present but the gymnosperms were the dominant plant forms during this era. Gymnosperms were the con-bearing plants and they favoured the wind pollination. The sexual reproduction caused the accumulation of favourable variations due to which these plants became widespread.
Hence, the correct answer is 'Jurassic'
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