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In Ecosystems. Organisms tend to get phosphorus from their local ecosystem. An  organism can also get nitrogen from its local ecosystem. Nitrogen  is added to the organism's local ecosyste â¦ m by bacteria from the  air.
In summary, an ecosystem is any community of living and non-living things that work together. Biotic factors are all of the living organisms within an ecosystem. These may be plants, animals, fungi, and any other living things. Abiotic factors are all of the non-living things in an ecosystem.Abiotic factors come in all shapes and sizes. They can be as small as a rock or as large as the sun. No matter what its size, each abiotic factor plays an important role in an ecosystem.If one factor is removed or changed, it can affect the entire ecosystem and all of the organisms that live there.biotic factors are all of the non-living things in an ecosystem. Abiotic factors come in all shapes and sizes. They can be as small as a rock or as large as the sun. No matter what its size, each abiotic factor plays an important role in an ecosystem.