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This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..
Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..