Secondary productivity can never exceed primary productivity because
A)secondary productivity is limited by the amount of energy produced by primary producers.
B)secondary productivity is less efficient than primary productivity.
C)energy loss to the surroundings in an ecosystem depends mostly on tertiary consumers.
D)nutrient cycling is much slower in secondary productivity.

Question

Quizplus · Accepted Answer

Secondary productivity is dependent on the amount of energy produced by primary producers, such as photosynthetic organisms. Therefore, the amount of energy available for secondary consumers is limited by the amount of energy produced by primary producers. Therefore, secondary productivity can never exceed primary productivity.

Secondary Productivity Can Never Exceed Primary Productivity Because