Two factors that drive natural selection are listed below. 1. percentage of young that survive 2. ability to produce offspring which statement is true about the two factors? factor 1 causes genetic variation and factor 2 causes differential reproductive success. factor 1 causes differential reproductive success and factor 2 causes genetic variation. both factors cause differential reproductive success. both factors cause genetic variation.

What was the midwest states often called because they were located in the center of the nation

The tea party movement is a. an official third party that challenges both democrats and republicans in national elections. b. an organized challenge to incumbents in the republican party by the most conservative wing of the republican party. c. an organized challenge to incumbents in the democratic party by the most liberal wing of the democratic party. d. an offspring of the green party that runs for state and local office in many midwestern states. e. the now defunct party that gave way to the republican party at the end of the “second party system.”

Countries that are neither core nations nor peripheral nations