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Organisms that live together and interact in an environment make up a ___.

A group of organisms of the same species form a population. Populations of different species interacting with each other form a community, while an ecosystem is composed of living organisms of different species interacting with their environment. Thus, we can say that organisms that live together and interact in an environment form a community. If we add in the interaction between organisms and the environment, then we can say that organisms that live together and interact with an environment form an ecosystem.


For example, a marine community is composed of different organisms such as fish, plants, diatoms, etc. These organisms live together and interact in the marine environment (a sea or ocean). Their interactions with the environmental elements (abiotic factors) as well as with each other constitute a marine ecosystem.


Hope this helps.

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