The level of biological organization that is illustrated by the image is called Ecosystem.
An ecosystem is defined as a self supportiung unit that is made up of a living part (biotic factors) like plants and animals; and non-living part (abiotic factors) like water, soil, air.
In an ecosystem, the biotic community includes population of:
- Food producers: That is the autotrophs like the green plants which are seen in the attached diagram.
- Food consumers : That is the heterotrophs such as animals and human beings.
The non-living part of an ecosystem is its abiotic component. this consist of:
- Abiotic resources: These are what organisms need to stay alive. they include a source of energy (sunlight as seen in the diagram) and inorganic nutrients ( carbon dioxide, water).
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