- An ecosystem comprises both biotic (living organisms) and abiotic (physical environment like soil, water, air, sunlight, temperature) components. - The organisms within an ecosystem interact with each other (biotic interactions) and also with their physical environment (biotic-abiotic interactions). - Option A describes only the biotic community. - Option B describes the biosphere or habitable part of the Earth. - Option D describes flora and fauna, which are only parts of the biotic community.
Which one of the following is the best description of the term ‘ecosystem’?
Asked in UPSC IAS 2015 · Topic: Ecology (Ecosystem: Structure and Components)
Show answer
Answer: C. A community of organisms together with the environment in which they live
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