Which of the following statements is/are related to ecosystem?
(i) It consists of biotic components comprising living organisms.
(ii) All green plants and certain bacteria are producers.
(iii) Decomposers break-down complex organic into simple organic substance.
1
Only (i) and (iii)
2
(i), (ii) and (iii)
3
Only (i) and (ii)
4
Only (i)