The pesticide DDT was used to kill mosquitoes for many years. DDT into the bodies of water, moved up the food chain, and build up in the tissues of fish. One female bald eagles eat this fish, they produce eggs with very thin shells. The eggs broke when the bald eagle sat on their nests. The US government banned the use of DDT in 1972. Which of the graph shown most likely shows how the ban of DDT affected the board equal population?