An ecosystem is a biological system in a particular are in which living and non-living live and interact between them.
For example a sea can be an ecosystem.

In an ecosystem, there are some factors that can modify it. They can be living (also called biocenosis, some examples are animals, bacteria, fungi…) or non-living factors (also called biotope, some examples are wind, compounds, sunlight…).

BIOCENOSIS + BIOTOPE = ECOSYSTEM

Population refers to the group of species that live in the same place and can interbreed and then produce fertile offspring, and community refers to the group of organisms that live in the same area that can be of different species and can’t produce fertile offspring.

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