Classification of ecosystems — task. Biology CBSE Live product, Class 10 (2025-26).

Choose the appropriate answer:

Assertion (A): Deserts and tundra are grouped under terrestrial ecosystems because they exist on land.

Reason (R): Aquatic ecosystems include only freshwater bodies such as rivers, ponds, and lakes.

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

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6. Classification of ecosystems

Question: