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Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
This tutorial presents the benefits and the possible adverse eventualities of genetic engineering. Know more about this ..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..