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The Gaia hypothesis, first put forth in the mid-1960s, and published in book form in 1975, has had a radical effect on scientific views of evolution and the environment.
A degree in biology is designed to help students learn the basics of the field, develop critical thinking skills, and understand past/current thinking about this science. Biology degrees may focus on human biology, animal biology, or clinical applications, so students should expect to specialize early in their degree track. Some programs offer classes that emphasize the medical field, others are designed for teachers, and some are a combination of both. This page contains academic lectures focusing on a variety of topics key to understanding the requirements for a degree in biology.