Question

Study of inter-relationship between organisms and their environment is

• A. Ecology
• B. Ethology
• C. Phytogeography
• D. Ecosystem

Answer 1

The correct option is A Ecology

Part 1: Ecology
Ecology is the study of interaction of organisms (plants, animals, man) with its environment (biotic and abiotic components).

Part 2: Ecosystem
Ecosystem is the geographical area where living organisms interact with their physical environment.

Part 3:Phytogeography
Phytogeography is the study of botany which deals with the geographical distribution of plants, their origin, evolution and dispersal.

Part 4: Ethology
The branch of science in which animal’s behaviour is studied under natural conditions is called ethology.

Final answer
(a) Ecology