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: Option B
Explanation
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.