Classification Notes

Classification Notes - o Written in italics in print;...

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Classification Notes Classification: the grouping of objects or information based on similarities.  Taxonomy: the branch of biology that groups and names organisms based on  studies of their different characteristics.  Seven Levels of Classification (starting with the broadest): Kingdom,  Phylum/Division, Class, Order, Family, Genus, Species Carolus Linnaeus (1707-1778) - Developed a system of grouping organisms based on physical and  structural similarities or organisms.  - Proposed a system of scientific naming or organisms called binomial  nomenclature.  o Each organism is given a two-word name; the first word identifies  the genus and the second word identifies the species. Must be Latin  terms.  o The first letter of the genus name is always capitalized, and the first  letter of the second word is always lowercased. 
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Unformatted text preview: o Written in italics in print; underlined when handwritten o Example: Homo sapiens o Gives biologists a common way of communicating, regardless of their native language. One species may have many common names, and one common name may be used for more than one species. Dichotomous Key-A tool that allows the user to determine the identity of items and organisms in the natural world. -Most widely used form of classification in the biological sciences because it offers the user a quick and easy way of identifying unknown organisms. -Consist of a series of choices or steps in which two statements are given based on characteristics of organisms. -2 types of descriptions might be presented: Qualitative (physical characteristics) and Quantitative (values, numbers, etc.)...
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This note was uploaded on 04/05/2011 for the course BIOL 2112 taught by Professor Deidra during the Spring '11 term at CSU Sacramento.

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