Monday, October 3, 2016



Multiple Responses
In biology, a phylum (/ˈfaɪləm/; plural: phyla) is a taxonomic rank below kingdom and above class. Traditionally, in botany the term division was used instead of "phylum", although from 1993 the International Code of Nomenclature for algae, fungi, and plants accepted the designation "phylum". The kingdom Animalia contains approximately 35 phyla, Plantae contains 12, and Fungi contains 7. Current research in phylogenetics is uncovering the relationships between phyla, which are contained in larger clades, like Ecdysozoa and Embryophyta.

If someone asks you what you have in common with the Antarctic icefish, you can say that you both belong to the same phylum, meaning the same taxonomic group: you are both vertebrates.

Biology types are probably already familiar with using the word phylum as a way to classify animals and plants. Mammals, including humans, are part of the phylum chordata, which also includes fishes, amphibians, reptiles, and birds. As you can see that’s a very broad category. Phylum comes above class and below kingdom in the biological classification system. The ranks get increasingly narrow, working all the way down to species, which is a closely related group.


Biology. the primary subdivision of a taxonomic kingdom, grouping together all classes of organisms that have the same body plan.

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