Which of the following best describes the concept of trophic levels in a functioning ecosystem?
The levels of ecological interactions within an ecosystem
The levels of energy flow within an ecosystem
The levels of nutrient cycling within an ecosystem
The levels of biological diversity within an ecosystem
Correct answer is B
The concept of trophic levels in a functioning ecosystem refers to the levels of energy flow within the ecosystem. Trophic levels represent the hierarchical structure of feeding relationships within an ecosystem, with each level representing a different position in the food chain.