Etymology:
Meaning and Origin:
The term "ecosystem" was coined in 1935 by the British ecologist Sir Arthur Tansley. It is derived from the Greek words "oikos" (house, dwelling) and "systema" (system, organized arrangement).
Definition:
An ecosystem is a self-contained, functional unit of living organisms (biota) interacting with their non-living environment (abiotic factors), which are linked together through energy flows and nutrient cycles. Ecosystems can range in size from a small pond to an entire biosphere.
Key Components of an Ecosystem:
Functions of an Ecosystem:
Importance of Ecosystems:
Ecosystems are essential for life on Earth as they provide vital services such as:
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