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Dolphins are important to the ecosystem in the sense that they are apex or top-level predators which control populations of fishes and squids and keep the ecosystem balance.

Lately, the bottlenose dolphin has been identified as sentinel of the coastal marine ecosystems, because their consume of a wide variety of fishes and squids, they concentrate contaminants in their bodies when there are high concentrations of contaminants in the water.

Well in affence dolphines live in the Water duhhh

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14y ago

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