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Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?
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- Fish
- Zooplankton
- Frog
- Phytoplankton
Correct Option: A
A pond ecosystem is a delicate balance of fish, plants and other animals. Fish occupy more than one tropic level in pond ecosystem. Small fishes act as secondary consumer. They feed on primary consumer. Large fishes act as tertiary consumer. They feed on smaller fish.
