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What Effect of Pesticides on Birds Can Be Interpreted from the Graph

Question 29

Multiple Choice

What effect of pesticides on birds can be interpreted from the graph below? What effect of pesticides on birds can be interpreted from the graph below? A) DDE (a breakdown product of DDT) residue in bird eggs has a negative correlation with reproductive success - when DDE residues are high the number of young per breeding season was low. B) Even though DDT was banned in 1972, reproductive success of birds has yet to improve. C) The graph provides evidence of how DDT bioaccumulates and biomagnifies in birds. D) DDT causes acute toxicity in birds.


A) DDE (a breakdown product of DDT) residue in bird eggs has a negative correlation with reproductive success - when DDE residues are high the number of young per breeding season was low.
B) Even though DDT was banned in 1972, reproductive success of birds has yet to improve.
C) The graph provides evidence of how DDT bioaccumulates and biomagnifies in birds.
D) DDT causes acute toxicity in birds.

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