Environment & Ecology : Ecology And Functions Of An Ecosystem

Q 20 / 29
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?