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Phylum. 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. Usually biologists count about 32 phyla of animal s, about 14 of plant s, and about 8 phyla of fungus, but definitions vary. With genome analysis, groups of phyla have been put ...
Define phylum. phylum synonyms, phylum pronunciation, phylum translation, English dictionary definition of phylum. n. pl. phy·la 1. Biology A taxonomic category of ...
May 15, 2024 · The definition was posited because extinct organisms are hardest to classify: they can be offshoots that diverged from a phylum's line before the characters that define the modern phylum were all acquired. By Budd and Jensen's definition, a phylum is defined by a set of characters shared by all its living representatives.
arthropod, (phylum Arthropoda), any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders, mites, insects, centipedes, and millipedes. About 84 percent of all known species of animals are members of this phylum. Arthropods are represented in every habitat on ...
A chordate ( / ˈkɔːrdeɪt / KOR-dayt) is a deuterostomic animal belonging to the phylum Chordata ( / kɔːrˈdeɪtə / kor-DAY-tə ). All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics ( synapomorphies) that distinguish them from other taxa.
Phylum (biology) synonyms, Phylum (biology) pronunciation, Phylum (biology) translation, English dictionary definition of Phylum (biology). n. pl. phy·la 1. Biology ...
taxon. genus, biological classification ranking between family and species, consisting of structurally or phylogenetically related species or a single isolated species exhibiting unusual differentiation (monotypic genus ). The genus name is the first word of a binomial scientific name (the species name is the second word) and is always capitalized.
