Assertion (A) : All consumers depend on producers either directly or indirectly for their nutrition.
Reason (R) : Consumers are heterotrophs.
A. Both (A) and (R) are true and (R) is correct explanation of the assertion.
B. Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
C. (A) is true but (R) is false
D. (A) is false but (R) is true.
