A youtube video that describes in under 4 minutes both allopatric and sympatric speciation.

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This is a .mp4 downloadable screen capture video of the "Mendel's Song" video from YouTube with accompanying captions. This is a popular video to show, particularly when introducing Mendel's work, however, the audio can (in some buildings/lecture halls) be difficult to understand. The video can be inserted into a powerpoint presentation and should appear as an entire slide. A single click will...

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This site contains 19 video lessons, each containing skill checks, videos, and articles. . Topics include Respiration, Photosynthesis, Evolution and natural selection, cell division, Heredity and genetics, etc.

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Online learning center for the textbook 'Biology' (Seventh edition) by Raven, Johnson, Losos and Singer. Helpful practice questions (including multiple choice questions) are found in this site. Outlines of each chapter that highlight key biological concepts can be obtained by clicking on the link 'information center' on this webpage. There are full color, dynamic animations from Chapter 5 onwards...

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The PNAS Podcast program provides short, informative, recorded, "...conversations with cutting-edge researchers, Academy members, and policy makers as they discuss topics relevant to today's scientific community." Topics vary across a wide range concepts, from, "how mosquitoes survive raindrops" to, "How caffeine can help prevent cancer." These podcasts could serve a variety of purposes for...

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