Ecological niche is

Options

A. the surface area of the ocean
B. an ecologically adapted zone
C. the physical position and functional role of a species within the community
D. formed of all plants and animals living at the bottom of a lake

Answer

C

Explanation

Ecological niche is ecologically adapted zone, i.e., the specific place of habitat occupied by individual of a species. It in turn is determined by factors such as by its renge of tolerance. i.e., the physical position and functional role of a species within the community, etc.
Rest of the options are incorrect.