Niche is

Niche is
  1. the range of temperature that the organism needs to live
  2. the physical space where an organism lives
  3. all the biological factors in the organism's environment
  4. the functional role played by organism where it lives

Solution

The functional role played by an organism where it lives. An ecological niche describes how a species interacts with and lives in its habitat. Ecological niches have specific characteristics, such as availability of nutrients, temperature, terrain, sunlight and predators, which dictate how, and how well, a species survives and reproduces.

Asked in: NEET 2018

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