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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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This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..

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This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..

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Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..

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This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..