Question

give 3 characteristics of food chain

Answer 1

In a food chain,
a) there is repeated eating in which each group eats the smaller one and is eaten by the larger one. Thus, it involves a nutritive interaction between the biotic components of an ecosystem.
b) the plants and animals which depend successively on one another form the limbs of a food chain.
c) there is unidirectional flow of energy from sun to producers and then to a series of consumers of various types. Thus, a food chain is always straight and proceeds in a progressing straight line


I hope it is helpful for u......