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Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..

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Human consciousness and behavior are an interesting topic since they are determined and controlled by the brain. Conscio..

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Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..

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Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..

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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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