In the late 1930s, the insecticide DDT was developed. Which outcome was most likely
the result of using DDT?
Select one:
Oa. Many insect species became extinct, and so bat populations increasd.
O b. Certain insects became endangered, and so laws were passed to protect them.
Some insects were naturally resistant to DDT, and thus they survived to produce
offspring that were resistant.
O d. Decreasing amounts of DDT were required to be effective, and eventually it was
no longer needed.
the result of using DDT?
Select one:
Oa. Many insect species became extinct, and so bat populations increasd.
O b. Certain insects became endangered, and so laws were passed to protect them.
Some insects were naturally resistant to DDT, and thus they survived to produce
offspring that were resistant.
O d. Decreasing amounts of DDT were required to be effective, and eventually it was
no longer needed.
