What are the conditions required for natural selection? Check all that apply. overproduction of offspringsame traits among all organisms in a populationvariation among organisms in a populationfavorable adaptations selected by natureunfavorable adaptations passed on to offspring in larger numbersfavorable adaptations building in population over time
Which statements best describe natural selection? Check all that apply. Populations must have genetic variation. Genetic mutations do not produce advantageous traits. Natural selection occurs when the environment changes. Evolution works independently of natural selection. Organisms best suited for the environment survive and reproduce.
What causes genetic variation in a population?
Which factors may contribute to the extinction of a species? Check all that apply. more individuals fighting over the same resourcesfewer individuals fighting over the same resourcesthe loss of the environment in which an organism’s needs are metthe gain of an environment in which an organism’s needs are metthe lack of predators in an areathe introduction of new predators into an area
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