The science that deals with inter-relationship between various organisms and physical environment is called ____________.
Fill in the following blanks with suitable words:
(a) Decomposer organisms are ___in their action.
(b) In nature, all green plants are___ whereas animals are consumers.
(c) A series of organisms, each of which feeds on the next organism, the beginning of which is a green plant, is called a ___
(d) The science that deals with the inter-relationships of living things with one another and their environment is called___
(e) Plastic is a ___ material whereas paper is a ___material.
Branch of science dealing with the relation between organisms and surrounding environment is ____________.