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 Selection 7:40
a. Directional Selection 8:17
b. Stabilizing Selection 8:56
c. Disruptive Selection 9:27
7) Sexual Selection 10:22
8) Artificial Selection 11:24

References:
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This video uses the following sounds from Freesound.org:
"20071104.forest.04.binaural.mp3" by dobroide
"ForestBirds.wav" by HerbertBoland

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