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What are the components of the common food chain of a pond ecosystem?

1. Phytoplanktons, zooplanktons, aquatic plants, small aquatic animals
2. Phytoplanktons, zooplanktons, aquatic plants, small aquatic animals, small fishes, big fishes, birds
3. Phytoplanktons, zooplanktons
4. None of the above

Correct answer: Phytoplanktons, zooplanktons, aquatic plants, small aquatic animals, small fishes, big fishes, birds

Solution

A common pond food chain starts with phytoplanktons as producers, then zooplanktons and other small aquatic organisms, followed by small fishes, big fishes, and finally birds. The correct choice is the one that includes this complete sequence.

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