Based on the source of their nutrition or food, organisms occupy a specific place in the food chain is known as ---------.
A. Trophic level
B. Biomass
C. Ecological pyramid
D. None of these
Answer:A
Based on the source of their nutrition or food, organisms occupy a specific place in the food chain is known as ---------.
A. Trophic level B. Biomass C. Ecological pyramid D. None of these