A. secondary consumers to decomposers
B. sun to producers
C. primary consumers to secondary consumers
D. producer to primary consumers
Correct Answer: Option A
A. secondary consumers to decomposers
Explanation
From the food chain, the energy flows from the producers to the primary consumer to the secondary consumers and about 90% of the energy is lost in the process of this transfer. Hence, the energy level by the time it gets to the secondary consumers, there is less energy transferred to the decomposers.
