What are four factors believed to cause microevolution? How do these four factors relate to macroevolution? My teacher is wanting the class to get the answer from this website: https://flexbooks. ck12.org/cbook/ck-12-middle-school- life-science-2.0/section/4.7/primar y/lesson/microevolution-and-macroev olution-ms-ls

Four factors believed to cause microevolution are natural selection, mutation, gene drift and gene flow (migration). Many occurrences of these four factors result in macroevolution. 3. The allele frequency of genes in a population that has undergone microevolution slightly change.Explanation:

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"a.) well–developed vascular system."