# Biology - Khan Academy

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Covers topics seen in a first year college or high school biology course.

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## 61) Taxonomy and the Tree of Life

##### The science of taxonomy and where humans fit into the tree of life More free lessons at: http://www.khanacademy.org/video?v=oHvLl
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#### Chemistry - Khan Academy103 lessons

Videos on chemistry (roughly covering a first-year high school or college course).

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Videos about medicine and the healthcare system

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#### Probability and Statistics - Khan Academy41 lessons

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the

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#### Pre-algebra - Khan Academy38 lessons

Pre-Algebra on Khan Academy: No way, this isn't your run of the mill arithmetic. This is Pre-algebra. You're about to play with the professionals. Think of pre-algebra as a runway. You're the airplane

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#### Statistics - Khan Academy57 lessons

Introduction to statistics. Will eventually cover all of the major topics in a first-year statistics course (not there yet!) Probability and statistics on Khan Academy: We dare you to go through a

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#### Cosmology and Astronomy - Khan Academy85 lessons

Videos attempting to grasp a little bit about our Universe (many of the topics associated with "Big History")

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Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

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#### Geometry - Khan Academy113 lessons

Videos on geometry. Basic understanding of Algebra I necessary. After this, you'll be ready for Trigonometry. Geometry on Khan Academy: We are surrounded by space. And that space contains lots of t

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#### Linear Algebra - Khan Academy142 lessons

Matrices, vectors, vector spaces, transformations. Covers all topics in a first year college linear algebra course. This is an advanced course normally taken by science or engineering majors after tak

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#### Precalculus - Khan Academy20 lessons

Non-trigonometry pre-calculus topics. Solid understanding of all of the topics in the "Algebra" playlist should make this playlist pretty digestible. About Khan Academy: Khan Academy offers practic

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