A scientist noted that, over a period of 10 years, a Florida beetle species gradually become resistant to an insecticide. Which statement best explains this is terms of natural selection?
1 point
The insecticide mutated the beetles exposed to the biggest doses.
Some beetles used the insecticide as a source of food.
Beetles learned to avoid the spray and passed this knowledge of their offspring.
Those beetles with the natural resistance to the insecticide had the most offspring.
1 answer
The statement "Those beetles with the natural resistance to the insecticide had the most offspring" best explains this in terms of natural selection.