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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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While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..

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Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..

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Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

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Gregor Mendel's studies into Monohybrid and Dihybrid crossing and Charles Darwin's study of evolution and natural select..

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Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..