Consider the following statements Assertion A Ecological productivity decreases from the equator tow...........

Environment and Ecology (Easy) Concept of Ecology

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Consider the following statements:

Assertion (A): Ecological productivity decreases from the equator towards the poles.

Reason (R): Insolation rapidly decreases from the equator towards the poles.

Select the correct answer from the codes given below:

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

A is true but R is false.

A is false but R is true.

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Explanation:

The rate at which biomass is generated in an ecosystem is termed as ecological productivity. Insolation is the solar radiation that is incident on the surface of earth, measured in terms of amount of radiation incident per sq. cm per minute. It gradually decreases from the equator towards the poles. Ecological productivity is a factor of insolation, and thus gradually shows a decrease from the equator to the poles.