adjective formed or developed from something else; not original; `the belief that classes and organizations are secondary and derived`- John Dewey Found on https://www.encyclo.co.uk/local/20974
[phylogenetics] Engraving by Fortune Louis Meaulle and Oswaldo Tofani of Len Hurst winning the 1896 Paris Marathon. This was the featured picture on the front cover of `Le Petit Journal` in Paris on for the week of Sunday 2nd August 1896. The image is public domain / free of copyright because it is 114 years old, thus the copyright period h... Found on http://en.wikipedia.org/wiki/Derived_(phylogenetics)
Describes a character state that is present in one or more subclades, but not all, of a clade under consideration. A derived character state is inferred to be a modified version of the primitive condition of that character, and to have arisen later in the evolution of the clade. For example, 'presence of hair' is a primitive character state for all... Found on http://www.ucmp.berkeley.edu/glossary/glossary_1.html