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This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..

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Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..

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One of Mendel's law of inheritance is the "law of dominance". There are certain cases though that this pattern is not ob..

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Freshwater Lentic Communities & Animals

This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

Biological Cell Defense
Biological Cell Defense

Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..

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The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..