Rational Expressions and Equations, Page 1 of 38. Definition. To simplify a rational expression (an algebraic fraction) means to write the fraction so that there are no common factors. other than 1 or -1. Steps to simplify an algebraic fraction. 1.Factor the numerator and denominator. 2.Divide out all common factors.
Best Answer: Taxonomy is the science of classifying organisms. The system currently used by taxonomists is called the Linnaean taxonomic system, in honor of Swedish biologist Carolus Linnaeus (1707 â 1778). The Linnaean system breaks down organisms into seven major divisions, called taxa (singular: taxon).
In biology, cladistics (from ancient Greek ÎºÎ»Î¬Î´Î¿Ï, klados, branch; originally called phylogenetic systematics) is a taxonomical technique for arranging organisms according to how they branch in the evolutionary tree of life.n biology, cladistics (from ancient Greek ÎºÎ»Î¬Î´Î¿Ï, klados, branch; originally called phylogenetic systematics) is a taxonomical technique for arranging organisms according to how they branch in the evolutionary tree of life.