Why is there a decreasing number of organisms in each feeding level of the ecosystem?
A.
Because there is an increase in the amount of energy present at each progressive level, there is a decreasing number of organisms at each feeding level.
B.
Because there is an increase in the amount of energy consumed by the organisms at each progressive level, there is a decreasing number of organisms at each feeding level.
C.
Because there is less energy available at each feeding level, there is a limit to how many organisms can be a part of each progressive level.
D.
Because plants take up less space than animals, there are more of them in an ecosystem.

(Study island)