Assertion : Ecotone shows more diversity.
Reason : Ecotone is an sharp transition zone between two or more diverse communities.

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 both the assertion and reason are false

Answer

A

Explanation

A sharp transition between two or more diverse communities, for example, forest and grassland, is known as ecotone. The ecotonal community commonly contains many of the organisms of each of the overlapping communities and in addition, organisms characteristic of and oftern restricted to ecotone. The tendency for increased variety and density at community junctions is known as the edge effect.