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Natural Selection & Evolution | A-level Biology | OCR, AQA, Edexcel

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https://goo.gl/31T06Y to unlock the full series of AS, A2 & A-level Biology videos created by A* students for the new OCR, AQA and Edexcel specification. In this video we'll cover the mechanism of natural selection and how it results in the evolution of species over time.

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The Theory of Evolution - Quick A Level Biology Revision

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A quick summary of the Theory of Evolution for A Level Biology - relevant for OCR exam board Module 4 (AS)

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Evidence for evolution (article) | Khan Academy

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Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.