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The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

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Homeostasis of Organism Water Regulation

Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..

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Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..

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In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..

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Genetics and Evolution

Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..