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Assertion: Majority of endemic species a...

Assertion: Majority of endemic species are threatened.
Reason: Because of their narrow specific habitat, reduced seed production low dispersal rate, less viable nature and human interference.

A

Both Assertion and Reason are correct, Reason is the correct explanation of Assertion.

B

Both Assertion and Reason are correct, Reason is not correct explanation of Assertion.

C

Assertion is correct, Reason is not the correct.

D

Both Assertion and Reason are not correct.

Text Solution

Verified by Experts

The correct Answer is:
A
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Where would the greatest number of endemic species occur and why ? (a) Small volcanic archipelagos, such as the Galapagos Islands, because the abundance of unoccupied habitats favours the adaptive divergence of colonists from nearby mainland populations. (b) Large oceanic island, such as Australia, because the inhabitants have been isolated from mainland populations for a very long time. (c) On rugged landscapes, such as Patagonia, because of the high levels of natural disturbance by glaciers and earthquakes. (d) Temperate woodlands, such as those in southern England, because of the high levels of disturbance by human activity and the history of artificial selection.