Question : Assertion (A) : Food chains can be as long as any number of trophic levels. Reason (R) : There are number of organisms interdependent an each other.

Question : Assertion (A) : Food chains can be as long as any number of

1.	Question : Assertion (A) : Food chains can be as long as any number of trophic levels. Reason (R) : There are number of organisms interdependent an each other.
Answer» Both (A) and (R) are TRUE and (R) is correct explanation of the assertion. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is false (A) is false but (R) is true. Solution :There are FOOD webs. Food chains can.t be more than 4 - 5 trophic levels long as the amount of ENERGY available for further transfer gets reduced at each successive LEVEL.