Answer :
A trait that does not offer members of a population a great advantage will most likely decrease in frequency in successive generations. Thus, option B is correct.
What is theory of natural selection?
According to Charles Darwin in his theory of natural selection, organisms must compete for scarce resources. Only the fittest can survive. The fittest are organisms that have undergone the required genetic changes that increases their chances of survival. They pass on these genetic changes to the next generation or offspring.
When availability of food decreases, organisms begin to change genetically as they struggle for scarce resources thereby leading to variation in a population. All organisms must compete for survival. Natural selection continues to occur even today.When organisms struggle to survive, they usually mutate to increase chances of reproduction.
Therefore, A trait that does not offer members of a population a great advantage will most likely decrease in frequency in successive generations. Thus, option B is correct.
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