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6)
D. Populations evolve as natural selection results in a change in the frequency of alleles within the population over time.
Our current understanding about how species evolve is natural selection produces adaptations vital to the survival of organisms.
7)
B. The relative frequency of the mutation will increase as time passes.
The information provided makes it clear that the mutation is an advantageous mutation; according to the theory of natural selection, since the mutation is beneficial to the bacteria, those with the mutation will survive and reproduce more, passing on the mutation. This way, the frequency of the mutation will increase.
Trees that drop their leaves in colder seasons, in order to conserve water.
Answer:
change in temperature
change in color
noticeable odor after reaction has begun
formation of precipitate
formation of bubbles
Answer:
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<span>people with an impulsive personality have a higher rate of substance abuse and dependence.</span>
