With reference to food chains in ecosystems, consider the following statements :1. A food chain illustrates the order in which a chain of organisms feed upon each other.2. Food chains are found within the populations of a species.3. A food chain illustrates the numbers of each organism which are eaten by others.
Which of the statements given above is / are correct?
Acid rain is caused by the pollution of environment by
Which one of the following terms describes not only the physical space occupied by an organism, but also its functiona l role in the community of organisms?
Contour bunding is a method of conservation used in
Meteriology is the science of ..........
