A character type with > 2 states that have no plausible evolutionary sequence, e g the nucleotides A, C, G and T A change between any pair of states is counted as 1 step This is by far the most common type of character state used in cladistic analyses (cf ordered, Dollo, irreversible)
list See bullet list Top URL (Uniform Resource Locator) A string that supplies the Internet address of a resource on the World Wide Web, along with the protocol by which the resource is accessed The most common URL type is "http," which gives the Internet address of a World Wide Web page Some other URL types are "gopher," which gives the Internet address of a Gopher directory, and "ftp," which gives the address of an FTP resource Top UNIX An operating system typically used on proprietary workstations and computers Some World Wide Web servers run on UNIX systems
unordered
Hyphenation
un·or·dered
Pronunciation
Etymology
(prefix.) Middle English, from Old English un-, on-, alteration of and- against; more at ANTE-.