Which best describes the relationship between evolution and natural selection? O Natural selection leads to evolution.
O Evolution leads to natural selection.
O Natural selection is the same as evolution.
O Evolution and natural selection are not related.
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Natural selection leads to evolution

Explanation:

"Darwin's theory of evolution by natural selection states that evolution occurs through the natural selection of heritable variation."

mendel's first law states that during the formation of reproductive cells , pairs of hereditary factors for a specific trait separate so that offspring receive one factor from each parent.

explanation:

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,