1 On September 5, 2013, CMS released guidance that discussed the provisions of the final rule regarding the physician order and physician certification of hospital inpatient services. 2  This document includes further clarification of issues addressed in the previous guidance.
Full Answer. Also called a dichotomous key, a taxonomic key gives users a systematic and reproducible way to identify items and organisms. It is used for a variety of purposes, such as identifying unknown organisms to a certain taxonomic level (e.g. family, genus and species) and identifying rocks or minerals.
Classification of Living Things & Naming[edit] In science, the practice of classifying organisms is called taxonomy (Taxis means arrangement and nomos means method). The modern taxonomic system was developed by the Swedish botanist Carolus (Carl) Linneaeus (1707-1788).