Chapter 15 Darwin’s Theory of Evolution. Section 15-3 Darwin Presents His Case. Publication of “On The Origin of Species”. Upon His Return To England, Darwin Developed His Observations Into The Theory of Evolution But He Did Not Publish For 25 Years – Why?.
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Section 15-3 Darwin Presents His Case
In Artificial Selection, Nature Provided The Variation Among Different Organisms, And Humans Selected Those Variations That They Found Useful
Survival of the Fittest
AKA Natural Selection
Over Time, Natural Selection Results In Changes In The Inherited Characteristics Of A Population. These Changes Increase A Species Fitness In Its Environment
Darwin Argued That Living Things Have Been Evolving On Earth For Millions of Years. Evidence For This Process Could Be Found In: