Natural Selection - Crash Course Biology #14
12:44
YouTubeCrashCourse
Natural Selection - Crash Course Biology #14
Hank guides us through the process of natural selection, the key mechanism of evolution. Table of Contents: 1) Natural Selection 1:27 2) Adaptation 2:56 3) Fitness 3:36 4) Four Principals 3:54 a. Variations 4:01 b. Heritability 4:17 c. "The Struggle for Existence" 4:25 d. Survival and Reproductive Rates 5:00 5) Biolography 5:59 6) Modes of ...
3.7M viewsApr 30, 2012
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