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Predator- prey relationships are things eating other things. For example a conger eel eats a wrasse. The conger eel is a top predator and the wrasse is a smaller fish that is eaten, the prey. The sea is a complex ecosystem. Things are eating other things all the time. Usually the food chain goes from small algae like plankton to a small fish like a herring, a mollusc or an arthropod then onto bigger fish. Some big fish get eaten by even bigger ones like sharks. Interestingly some of the biggest creatures in the sea eat the smallest things.

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8y ago

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