Genetic Variation Video Lessons

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Problem: Which of the following best describes macroevolution?a. evolutionary changes over a long time that encompass entire groups of speciesb. gene frequency changes within a population over a short period of timec. differential reproductive success within a population based on trait variationd. two interacting species reciprocally affect the other's evolution

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Macroevolution: large-scale evolutionary changes in allele frequency transcending the species level

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Problem Details

Which of the following best describes macroevolution?

a. evolutionary changes over a long time that encompass entire groups of species

b. gene frequency changes within a population over a short period of time

c. differential reproductive success within a population based on trait variation

d. two interacting species reciprocally affect the other's evolution

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