Match the following ecological terms with their appropriate definitions

Term

Definition

(P)

Niche

i)

Position of a species in food chain

(Q)

Biotas

ii)

Place of a living organism in the biotic environment and its relations to food and enemies

(R)

Trophic level

iii)

Physical environment of an organism

(S)

Habitat

iv)

Totality of organisms (flora and fauna) in a given place or region

Question

Term		Definition
(P)	Niche	i)	Position of a species in food chain
(Q)	Biotas	ii)	Place of a living organism in the biotic environment and its relations to food and enemies
(R)	Trophic level	iii)	Physical environment of an organism
(S)	Habitat	iv)	Totality of organisms (flora and fauna) in a given place or region