Question

UPSC Prelims 2015 Question:

Which one of the following is the best description of the term 'ecosystem'?

1. A community of organisms interacting with one another
2. That part of the Earth which is inhabited by living organisms
3. A community of organisms together with the environment in which they live
4. The flora and fauna of a geographical area

Answer (Detailed Solution Below)

Option 3: A community of organisms together with the environment in which they live

Detailed Solution

Explanation:

Ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscapes, work together to form a bubble of life.

An ecosystem is a system in which the interaction between different organisms and their environment generates a cyclic interchange of materials and energy

Therefore, option (3) is the correct answer.

Subject: Environment | Ecology and Ecosystem

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