Which one of the following is the best description of the term ‘ecosystem’?
A community of organisms interacting with one another
That part of the Earth which is inhabited by living organisms
A community of organisms together with the environment in which they live
The flora and fauna of a geographical area
Answer is Wrong!
Answer is Right!
This question was previously asked in
UPSC IAS – 2015
– 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.