Over-the-counter estrogen products are available in pill form. Estrogen levels in women who are still menstruating drop after menopause. People might shop around when choosing an over-the-counter medication by comparing possible side effects.
Updated November 25, 2016. Classification is a data mining technique that assigns categories to a collection of data in order to aide in more accurate predictions and analysis. Also called sometimes called a Decision Tree, classification is one of several methods intended to make the analysis of very large data sets effective.
The Nematodes. Classification. All living organisms, plants and animals, are organized into a hierarchy of groups called taxa. This structure is based primarily on the degrees of similarity among members of the same group and also shows the contrasts among members of different taxa. The highest level of classification considered here is the Phylum and the lowest is the Species.