In an area where DDT had been used extensively, the bird population declined significantly due to_________
A. Birds stopped laying eggs
B. Earthworms disappeared from the area
C. Many of the birds egg did not hatch
D. Snakes started feeding extensively on birds
Answer:C
In an area where DDT had been used extensively, the bird population declined significantly due to_________
A. Birds stopped laying eggs B. Earthworms disappeared from the area C. Many of the birds egg did not hatch D. Snakes started feeding extensively on birds