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

Question

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

06 Sep 2025

Answer :

Word Count : 318

Aquatic ecosystems are diverse and are broadly classified into freshwater and marine ecosystems. These ecosystems are further divided into different zones based on depth, light penetration, and distance from the shore, which influence the distribution of life forms. In freshwater ecosystems, the primary zones include the littoral, limnetic, and profundal zones. The littoral zone is the shallow area near the shore, rich in sunlight, supporting rooted plants like Hydrilla and Nymphaea, along with diverse invertebrates such as snails and insects, and fish like

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