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The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..

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

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The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

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The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..

Pollution in Freshwater Ecosystems
Pollution in Freshwater Ecosystems

There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..

Chromosomes X and Y and Sex Determination
Chromosomes X and Y and Sex Determination

This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..