Classification is a natural human propensity—we organize our clothes, our kitchen cupboards, and our toys. This applies to the natural world, too, where animals and plants are grouped based on ...

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Taxonomy is the science that attempts to categorise the many millions of species on Earth. Find out how to define taxonomy, what taxonomists do and why classifying life is so important. The definition ...

Classification attempts to impose a hierarchy on the complex and dynamic variety of life on Earth by describing how different species group together and how they are related to one another or not.

Linnaeus believed that a fixed number of species were specially created (he did allow the limited formation of new species through cross-breeding), and that genera and species have real essences — ...