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

The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..

Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..

Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..

Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..

The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..

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