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Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..

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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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Principles of Hormonal Control Systems

Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

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New Zealand’s Unique Geographical History

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

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It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..

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The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..