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Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..

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Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..

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The endoplasmic reticulum and Golgi apparatus are the organelles involved in the translation step of protein synthesis a..

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The Conscious & Unconscious Nervous System

This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..

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Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..

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Genetics and Evolution

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