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it is the the whole ocean except for polar waters! Also it has producers, consumers, scavengers, decomposers, prey, top predator, and climate.

the producer: phytoplanton

the consumer: zooplanton

the prey: krill, small fish

the predator: Killer whale

Climate: it depends on season and location

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14y ago
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11y ago

The blue whale's role in the ecosystem is to serve at mcdonald's and to get killed by a bunch of arrow things. and to eat crap.

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12y ago

The ocean. They eat and live in the ocean. Whales are really smart too. They can teach each other hunting techniques. However, their ecosystem is in the ocean.

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14y ago

to eat krill and keep them in check

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11y ago

It eats krill and it is a predator.

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9y ago

Top predator.

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Q: What is a blue whales niche in its ecosystem?
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