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

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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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Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..

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Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

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Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..