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YouTubeCrashCourse
Evolution: It's a Thing - Crash Course Biology #20
Hank gets real with us in a discussion of evolution - it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization. Table of Contents 1) The Theory of Evolution 1:49 2) Fossils 2:42 3) Homologous Structures 4:36 4) Biogeography 7:02 5) Direct ...
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