Diversity In The Living World

A species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring.

A herbarium is a collection of dried, pressed, mounted, identified and classified (according to approved system of classification) of plants on herbarium sheet. This taxonomic tool should have information about, data and place of collection, English, local and botanical name of the plant, family, collect for name. In addition to the above information, herbarium also have information about altitude, slope soil, habitat, use, distribution and abundance of the plant.

The class is the category of taxonomy, which is made up of one or more related orders like e.g., the class-Mammalia of animals includes all mammals either oviparous or viviparous. Taxonomic category like family includes related genera. For example Solanaceae includes a number of genera like Solanum, Atropa and Petunia and genera like tiger, lion leopard are included in family- Felidae. Spiecies is the basic category of taxonomy and also in evolution.