Ecosystem comprises only of living organisms.
True
False
All the living organisms in an area together with the non-living constituents of the environment form an ecosystem.
An ecosystem includes :
(a) all living organisms
(b) non-living objects
(c) both living organisms and non-living objects
(d) all living organisms and input of sun's energy
Question 18 Top-soil contains the following (a) Humus and living organisms only (b) Humus and soil particles only (c) Humus, living organisms and plants (d) Humus, living organisms and soil particles.