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The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..

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Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..

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Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..

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Movement of Molecules Across Cell Membranes

Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..

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Photosynthesis – Photolysis and Carbon Fixation

Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..

Independent Assortment and Crossing Over
Independent Assortment and Crossing Over

This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..