Assertion Removal of keystone species does not cause any serious disruption in the functioning of the community.
Reason Keystone species are low in abundance than the dominant species.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If the assertion is false but the reason is true

Answer

D

Explanation

A keystone species is a species that is crucially depended on by other species in the same ecosystem. They are low in abundance but has the important role in maintaining the crucial structure in the ecological community. If the keystone species was removed from the ecosystem it would cause drastic changes.