Domain: Separates prokaryotes from eukaryotes, Most inclusive of all taxa, Kingdom: Separates plants from animals, Next to domain, the most inclusive taxon, All animals belong to this taxon., Phylum: Distinguishes sponges from cnidarians, Echinoderms are our (chordates) closest relatives, Arthropods make up the most numerous of this taxon., Class: Five major groups under Phylum Chordata, Separates insects from crustaceans & arachnids, Order: The different groups of mammals, More exclusive than class, Family and Genus: More exclusive than order, More inclusive than species, Species: Most exclusive taxon, Sapiens in Homo sapiens, A horse and a donkey cannot produce a fertile mule,

Taxonomy

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恢復自動保存: ?