Answer anyone you know the answer to please thank you that’ll be very nice of you
1) after many generation an insect species evolved resistance to a popular pesticide. This occurred because spraying pesticides
A) killed most of the insect in the population
B) caused mutation in the insect species gene pool
C) caused another insect species to go extinct
D).selected for insects that were able to survive and reproduce
2) An herbicide killed 99% of a weed population. which of the following is the best biological explanation for whysome weeds were able to survive
F) some individual were able to evoke before the spraying
G) genetic variation in the population allowed some weeds to survive
H) the spray caused some individual to mutate and they were able to survive and reproduce
I) Each individual occupied a different ecological niche and so some were unaffected
5) in a population, natural selection acts on
A) heritavle difference
B) genetic mutation
C) homologous structure
D) analogous structure