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Essay Quiz

1
Explain how orthogenesis, the notion that evolution follows a particular path, is a misconception of evolutionary principles. What were the expected end results of orthogenesis? How is orthogenesis disproved by the fossil record?
2
Describe how the factors of isolation, genetic drift, mutation, and natural selection can operate on a population to cause speciation, or the formation of a new species from a parent species. What are the basic differences between these forces?





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