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

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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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Examples of Natural Selection

Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..

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Fish

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

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Control of Growth & Development

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