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The hierarchy of scientific classification

A phylum (plural: phyla) is the third highest rank used in the biological taxonomy of all organisms. The second rank is kingdom. And the highest is domain. However, since genome analysis, groups of phyla have been put together based on evolutionary relationships. These are informal, not part of the standard classification.

Botanists usually use the word division instead of phylum.

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  • Hogenboom, Melissa 2015. a animal life in 2 photos. BlC Earth. [1]