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What is the SI unit of thermal energy?
Population
A group of individuals of the same species living and interacting in the same region.
Biosphere
All Earth’s communities of living organisms and their physical environments.
Community
A group of interacting living organisms sharing a populated environment, often considered within ecological and social contexts.
Ecosystem
A dynamic complex of plant, animal, and microorganism communities and their non-living environment interacting as a functional unit.
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