CHAPTER ONE: Charles Darwin and Natural Selection

Aaseng, Nathan
January 1996
Genetics: Unlocking the Secrets of Life;1996, p16
This chapter focuses on naturalist Charles Darwin and the issue of natural selection. According to the author, no scientist in history has created such an uproar or has so altered the way in which people look at the world as Charles Darwin. Details of Darwin's education and family life was given. Darwin saw that isolation was a key factor in determining how closely species resembled each other. But if creatures were separately created and unchanging, natural barriers should not have any effect. Darwin observed that struggle for survival occurred not just between rival groups of animals but between animals within a species. An adaptation could give an animal or a plant an advantage, or a greater chance, to survive and to produce more offspring. Darwin reached his conclusions about evolving species and natural selection in 1839.


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