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: 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.
