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The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..

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Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..

Origins of Life on Earth
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Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..

Non-Mendelian Inheritance
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In this tutorial, find out more about certain types of inheritance that does not follow the Mendelian inheritance patter..

Adaptation Tutorial
Adaptation Tutorial

Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..

running freshwater community
Running Water Freshwater Community Factors

This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..