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Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

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

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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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Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..

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This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..

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Cell Biology

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