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Biological Evolution is a sub-field of biology concerned with the origin and descent of species, as well as their change, multiplication, and diversity over time. [Adapted from Wikipedia]

In my considered opinion, the theories of evolution are among the most powerful realizations of the human mind, perhaps eclipsing even relatively and quantum mechanics. The principles of evolution are not limited to living things, but extended to the function of the universe as well. We are only beginning to appreciate its all-encompassing power as a means for studying and understanding ... well ... everything. [David L Heiserman]

But, alas, the topic of evolution presented here is limited to living things we find on our little blue planet.




Note: Some of these tutorials might require a PDF reader. If you do not have an the Adobe Acrobat Reader installed on your device, you can download a free copy here. Many also require the Google Play app for mobile devices.


Topics included in these free online learning resources are roughly equivalent to one- or two-semester courses in a traditional school environment.

Resource Publisher
A complete study guide
W.W. Norton StudySpace
How Humans Evolved
A study guide
W.W. Norton StudySpace

These free online resources are intended to provide knowledge, skills, and insights for a special, limited portion of a subject.

Resource Publisher
Charles Darwin I Visionearning
Charles Darwin II Visionearning
Charles Darwin III Visionearning
Adaptation Visionearning

These are contemporary textbooks that appear online, free of charge but with an undetermined number of pages missing. They are selected for their relevance and quality.



These are online learning resources prepared by publishers for their best textbooks.
Those appearing her are included for their relevance, quality, usefulness, and

A textbook companion website
How Humans Evolved
A textbook companion website.

These free online resources are selected for  their relevance, quality,  and accessibility.

An excellent series of HD videos at iTunes U


Evolution Terminology
Terminology study
Evolution of Life
A topical tutorial





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David L. Heiserman, Editor

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Revised: June 06, 2015