fresh water food chain
algae - _____ - water beetle -_______ - heron
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oxygen , fish
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follow = follow.......................................
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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 . A food chain always begins with producers. Herbivores (plant-eaters) come next in the chain.
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