What kind of substances are introduced in the food chain by biological magnification?
A. Harmful
B. Non-toxic
C. Harmless
D. Harmful and toxic (1)
Answer:D
What kind of substances are introduced in the food chain by biological magnification?
A. Harmful B. Non-toxic C. Harmless D. Harmful and toxic (1)
Explanation: Biological Magnification is the process by which the harmful and toxic substances enter the food chain and get concentrated in the body of living organisms at each successive level in food chain.