Natural Selection Crash Course Biology #14

Natural Selection - Crash Course Biology #14
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Published at:2012-04-30
By:CrashCourse
Duration:12 minutes 44 seconds

Description: 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-SetLike CrashCourse on Facebook: http://www.facebook.com/YouTubeCrashCourseFollow CrashCourse on Twitter: http://www.twitter.com/theCrashCourseTable of Contents:1) Natural Selection 1:272) Adaptation 2:563) Fitness 3:364) Four Principals 3:54a. Variations 4:01b. Heritability 4:17c. "...

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