Various steps in a food chain represent a
Trophic level
The correct option is B.
Explanation of the correct option:
Explanation of the incorrect options:
Option A:
The Food web is the natural interconnection of food chains.
Option C:
The ecosystem is a biological community where organisms interact with each other and also with the physical environment.
Option D:
Biomagnification is defined as the accumulation of certain chemical substances in the body of organisms. Its concentration builds up on organisms at different trophic levels of the food chain.
Final answer:
Various steps in a food chain represent a trophic level.