Assertion: The food chain generally consists of three or four steps as the loss of energy at each step is so great that after four trophic levels energy become so little.
Reason: In the food chain, human beings occupy the top level and the concentration of the chemicals gets accumulated maximum in their bodies.
Choose the correct options.
1
Both A and R are true and R is the correct explanation of A.
2
Both A and R are true but R is not the correct explanation of A.
3
Both A and R are false.
4
A is true but R is false.