Introduction to Biology 2: Lecture 1 This is a general introduction into the history of evolutionary thought from Aristotle to Darwin and beyond. It also includes a comparison of Lamarkism evolutionary thought and why Darwin's ideas were so revolutionary.

This is a lecture on the history of population genetics, with an emphasis on the Hardy-Weinberg Principle, and leads to the variety of selection methods that occur during natural selection.

This lesson is a look at the different ways new species can form, known as speciation.

This lecture is an introduction to the scientific process with a focus on biology.

This is a very basic introduction to chemistry with a focus on chemistry that is especially important to life on Earth.