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Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..

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Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..

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For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..

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

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Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..

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Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..