OBJECTIVE LIFE SCIENCE
EVOLUTION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Within 10 years of the introduction of a new pesticide, nearly all of the descendants of the target insects are resistant to the usual-sized dose. What is the best explanation for this change?
|
|
Insects that were not killed by the pesticide must have had a mutation that made them resistant to it. This allowed them to pass on the resistance to their offspring.
|
|
|
Exposure to the pesticide caused the insects to become less resistant to it.
|
|
|
Exposure to the pesticide destroyed the insects, allowing them to live longer.
|
|
|
Exposure to the pesticide had no effect.
|
Explanation:
There is 1 question to complete.