Question

Who coined the term niche and in which year?

Answer 1

Hint: Niche is the sum of the habitat requirements and behaviors that allow a species to live and produce offspring. The term niche was coined by the naturalist Roswell Hill Johnson but it is first used by Joseph Grinnell in a research program in 1917.

Complete answer:
First, Let us learn a little about niche.
In ecology, niche means the position of a species in an ecosystem, this position describes both the range of conditions necessary for persistence of the species, and its ecological role in the ecosystem.

The term niche was first used by Joseph Grinnell in a research program in 1917. So, the term niche was given by J. Grinnell and in 1917. Niche was defined by three scientists. Grinnellan niche, Eltonian niche and Hutchinsonian niche. Grinnell defined niche in 1971 as niche is the sum of the habitat requirements and behaviors that allow a species to persist and produce offspring. Elton in 1927 said the 'niche' of an animal means its place in the biotic environment, its relations to food and enemies and Hutchinsonian in 1957 said niche is a dimensional hyper, where the dimensions are environmental conditions and resources, that define the requirements of an individual or a species for its persistence.

Additional information:
Niche is different from habitat. Habitat is a natural environment in which an organism lives while niche is the functional role and position of an organism in an environment.

Note: The term niche was coined by the naturalist Roswell Hill Johnson but it is first used by Joseph Grinnell in a research program in 1917. So, if you have options then choose accordingly, otherwise write both names.