A large number of food chains are interconnected because the organisms at the higher trophic level can depend on different types of organisms at the lower trophic level. The existence of this phenomenon in nature is called
A. food chain
B. ecological balance
C. ecological pyramid
D. food web
Answer:D
A large number of food chains are interconnected because the organisms at the higher trophic level can depend on different types of organisms at the lower trophic level. The existence of this phenomenon in nature is called
A. food chain B. ecological balance C. ecological pyramid D. food web