What is a marine ecosystem?

Marine ecosystems are the largest of Earth's aquatic ecosystems and are distinguished by waters that have a high salt content. These systems contrast with freshwater ecosystems, which have a lower salt content.

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e a marine ecosystem is the life underwater like sea creaters ,a weed etc s

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online defnation : Marine ecosystems are characterized by the biological community of organisms that they are associated with and their physical environment.

heres a fact Some important characteristics of the marine ecosystem are: They make up 70% of the earth’s surface. They dissolve the salts in their own waters. Supplies food for humans and generates socioeconomic benefits. They fall into the category of aquatic ecosystems

its probably to later but whats the question