Question

Describe briefly a pond ecosystem. Write a short note on food chain.

Answer 1

Explanation:

food chain refers to the order of events in an ecosystem, where one living organism eats another organism, and later that organism is consumed by another larger organism. The flow of nutrients and energy from one organism to another at different trophic levels forms a food chain.

Answer 2

In a freshwater aquatic ecosystem like a pond, the organisms in the food chain include algae, small animals, insects and their larvae, small fish, big fish and a fish-eating bird or animal (Figure 8.4). A food chain always begins with producers. Herbivores (plant-eaters) come next in the chain.

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