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PDF: Animal Diversity I Characteristics used in Classification and ...

Download 4 times Source: www.marietta.edu // Topic: Biology File Size: 58.23 kb // Total of Page: 14 Page(s) Last download by skjha Last download on: 10 months ago Share this info: Sample of page (click to enlarge) Short Desciption: Animal Diversity I. Page. 5 of 14. K:\DEPT\Intro Lab Manual\Spring 2003 exercises\106\03Animal Diversity I.doc. Last printed 11/16/2002. A TAXONOMIC KEY ... Content Inside: Biology 106 Spring 03 Animal Diversity I Page 1 of 14 Animal Diversity -- I Characteristics used in Classification and Preparing a Taxonomic Key The classification of organisms into groups is known as BIOLOGICAL TAXONOMY. The value of a classification system is that it allows biologists to discern relationships between different organisms. Classification of organisms is a pursuit that has preoccupied naturalists and biologists for millennia. Herbalists were among the first persons to employ a system of classification and names to facilitate the identification of medicinally useful plants. Today, biologists place organisms within a system of groupings, or TAXA (kingdom, phylum, class, order, family, genus and species), which reflect their perceived evolutionary (or PHYLOGENETIC) relationships. An outgrowth of a classification system is a TAXONOMIC KEY, which is a tool used to identify organisms. Taxonomic keys can commonly be found in "field guide" books used widely by amateur and professional naturalists to identify plants, birds, reptiles, insects,