Tag: Class 12
TAXONOMICAL AIDS The laboratory and field studies are required for identification of various species and their placement in taxonomical hierarchy. The information thus gathered about the species, needs to …
Types of Species Morphospecies : Species erected on the basis of morphological characters only. Taxonomic species : Species having a definite binomial name. Sibling species : true species which …
TAXONOMIC CATEGORIES Classification is not a single step process. It involves hierarchy of steps in which each step represents a rank or category. The category is a part of …
NOMENCLATURE There is a need to standardize the naming of living organisms, such that a particular organism is known by same name all over the world. A variety of …
Taxonomy and Systematic Taxonomy : the branch of science dealing with the study of principles and procedure of classification is called taxonomy. The term taxonomy was coined by A.P. …
Need for classification There are millions of plants and animals varying greatly in their form, structure and complexity. It is impossible to study all of them individually. To make …
Biodiversity From a current estimation, approximately 1.7 million species have been scientifically named and classified. These include nearly 1.2 million animals and over 0.5 million species of plants. Amongst …
Characteristics of Living Beings All the living beings share certain unique and basic characteristics which set them apart from non-living objects these characteristics are listed below : 1. …
