Question

An ecosystem is a complex interacting system of [JIPMER 1984; MP PMT 1984; AMU 1987]
A) Individual
B) Population
C) Communities and their physical environment
D) Communities and their soil conditions

Answer 1

Communities and their physical environment

Answer 2

An ecosystem is a complex interacting system of all living population as well as other organisms too

So the answer is communities and their physical environment