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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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Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..

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Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..

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The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..

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Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..

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The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..