MCQ
Homo sapiens have evolved in:
- APliocene
- BPleistocene
- COligocene
- DMiocene
Explanation:
The first Homo sapiens have evolved in the Pleistocene Epoch.
This time period began about 2.6 million years ago and lasted till 1,700 years ago. By the end of this period, the Homo sapiens were present all over the world.
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Although all the biodiversity hot spots put together covers less than ...$C$... $\%$ of the earth's land area, the number of species they collectively harbour is extremely high and the strict protection of these hot spots could reduce the ongoing mass extinctions by almost ..$D$... $\%, A, B, C$ and $D$ in the paragraph refers to