IGNOU BEVAE 181 2025 - Describe the life forms of aquatic ecosystem found in differ

Question

Describe the life forms of aquatic ecosystem found in different zones with suitable examples and diagrams.

03 Mar 2025

Answer :

Word Count : 275

The aquatic ecosystem consists of various life forms distributed across different zones based on factors like light penetration, temperature, and oxygen availability. These zones include the littoral zone, limnetic zone, profundal zone, and benthic zone in freshwater ecosystems and photic, aphotic, and abyssal zones in marine ecosystems.

### 1. Littoral Zone (Shallow Water Region)
This is the shallow, nearshore area where sunlight reaches the bottom, supporting diverse plant and animal life. Aquatic plants like hydrilla, water lily, and

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