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This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

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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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Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..

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Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...

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Adaptive Radiation

The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..