Natural Selection - Crash Course Biology #14
Hank guides us through the process of natural selection, the key mechanism of evolution.
Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series-DVD-Set
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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 for this episode can be found in the Google document here: http://dft.ba/-2Ank
This video uses the following sounds from Freesound.org:
"20071104.forest.04.binaural.mp3" by dobroide
"ForestBirds.wav" by HerbertBoland
crashcourse, science, biology, natural selection, genetics, peppered moth, inherited traits, population genetics, charles darwin, darwin, on the origin of species, evolution, adaptation, galapagos finches, fitness, variation, phenotype, heritable, malthus, survival rate, reproductive rate, crossbreeding, inbreeding, genotype, directional selection, stabilizing selection, disruptive selection, selective pressures, sexual selection, artificial selection, selective breeding Support CrashCourse on Patreon: https://www.patreon.com/crashcourse
Видео Natural Selection - Crash Course Biology #14 канала CrashCourse
Crash Course Biology is now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-Series-DVD-Set
Like CrashCourse on Facebook: http://www.facebook.com/YouTubeCrashCourse
Follow CrashCourse on Twitter: http://www.twitter.com/theCrashCourse
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 for this episode can be found in the Google document here: http://dft.ba/-2Ank
This video uses the following sounds from Freesound.org:
"20071104.forest.04.binaural.mp3" by dobroide
"ForestBirds.wav" by HerbertBoland
crashcourse, science, biology, natural selection, genetics, peppered moth, inherited traits, population genetics, charles darwin, darwin, on the origin of species, evolution, adaptation, galapagos finches, fitness, variation, phenotype, heritable, malthus, survival rate, reproductive rate, crossbreeding, inbreeding, genotype, directional selection, stabilizing selection, disruptive selection, selective pressures, sexual selection, artificial selection, selective breeding Support CrashCourse on Patreon: https://www.patreon.com/crashcourse
Видео Natural Selection - Crash Course Biology #14 канала CrashCourse
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