Question

The abundance of a species population within its habitat is called

• A. Niche density
• B. Relative Density
• C. Regional Density
• D. Absolute density

Answer 1

The correct option is A Niche density

• Absolute density is the number of organisms per unit area.
• Regional density is the density of a population over a larger region.
• Relative density is the density of a population relative to another population.
• Within a community, each organism occupies a particular biological role or niche. Niche is a functional role of an organism in an ecosystem. It describes the relative position of a species in its ecosystem. Niche density is the number of particular species in a given habitat.

Final answer
(D) Niche density