The model shows the process of evolution at work in a population of aphids with varying amounts of pesticide resistance. Select ALL of the requirements for evolution to occur.
A)
Sexual reproduction must occur.
B)
The final population is purely random.
C)
Genetic variation must exist in the population.
D)
Those with the highest pesticide resistance reproduced.
E)
Only those with the highest pesticide resistance level survived exposure to
the pesticide.