Final answer:
Artificial selection is the process in which humans selectively breed plants or animals to develop desired traits. It is directed by humans and is a type of evolutionary mechanism.
Step-by-step explanation:
Artificial selection is a process in which humans selectively breed plants or animals to develop desired traits. This is in contrast to natural selection, which occurs in nature without human intervention. Therefore, option B is true, as artificial selection is indeed directed by humans. It is important to note that while artificial selection involves selective breeding to achieve specific goals, it is still considered a type of evolutionary mechanism, making option C false. However, it is distinct from natural selection as it is not driven by the environmental factors that influence natural selection, making option D false.
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