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The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

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Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..

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Freshwater Ecology

Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..

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This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..

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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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A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..