Which of the following statements is true?

speciation can happen when gene flow is reduced.

geographic isolation can cause an increase in genetic drift.

gene flow tends to increase differences between populations.

natural selection is random.

What are the six basic purposes of government as outlined in the preamble to the constitution?

Does manufacturing in the midwest affect the nations economy

8. select a supreme court case that has been particularly important in protecting civil liberties in the united states. in a three-paragraph essay, describe the case and the ruling, then explain how the case demonstrates why it is important that the supreme court is: a. protected from political or public pressure (since justices are appointed rather than elected and serve lifetime terms) b. able to change its interpretations of the law over time (10 points)