GCSE Science/Ecology

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Definition[edit | edit source]

Ecology is the scientific study of the interactions among organisms and the interactions between the organisms and their environment. Every living organism and component of an environment cannot exist as a separate entity. Instead, they are interrelated and form a complex system.

Components of ecosystems[edit | edit source]

An environment consists of living organisms and non-living organisms. The living organisms in an environment are called the biotic components and the non-living factors are called the abiotic component. The biosphere is where this organism exist in.