EXAM 1 - BIOL 1002 EXAM#1 Chapter 18 Taxonomic...

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BIOL 1002- EXAM #1 Chapter 18: Taxonomic Classification- Levels ranked from most to least inclusive o Domain à Kingdom à Phylum à Class à Order à Family à Genus à Species o Domain: The largest taxonomic category, group of one or more kingdoms; the three domains are Eukarya, Archea, Bacteria o Kingdom: composed of smaller groups called phyla o Phylum: a group of classes with similar distinctive characteristics o Class: comprised of organisms that share common attribute. o Order: comprised of families sharing a set of similar nature or characteristics. o Family: one or more genera, especially sharing a common attribute o Genus: groups of species that are structurally similar or phylogenetically related o Species: lowest taxonomic category, most basic unit Clades: a group of organisms include species linked by a common ancestor. Clades can be arranged in a hierarchy, with smallest clades nested within the larger ones Molecular similarities are also useful for reconstructing phylogeny o
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