In a food chain, each succeeding level in a forward direction represents

A.

an increase in the number of individuals

B.

a decrease in the number of individuals

C.

an increase in the biomass of individuals

D.

a gain in the total energy being transferred

Correct answer is B

A food chain describes how energy and nutrients move through an ecosystem. At the basic level, there are plants that produce the energy, then it moves up to higher-level organisms like herbivores. After that, when carnivores eat the herbivores, energy is transferred from one to the other.