Question

How does water pollution impact aquatic ecosystems?

विकल्प

• It increases oxygen levels.

• It disrupts food chains and reduces biodiversity.

• It has no effect on aquatic life.

• It enhances fish population growth.

Answer 1

It disrupts food chains and reduces biodiversity.

Explanation:

Water pollution decreases oxygen levels and introduces toxic substances into aquatic ecosystems. This kills sensitive species, alters food chains, and lowers biodiversity, weakening the equilibrium of aquatic ecosystems.