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Leaves are the major photosynthetic organ of a plant. Apart from that, they are also crucial to water movement. In this ..

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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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The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..

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Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..

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This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

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Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..