earthworm genus and species

Both genus and community are formed of many species. But the two differ from each other in some basic characters. Species in a genus have a common ancestry. They occur in different geographical regions and often have no functional relation or interaction amo..

Several disease, pest and drought resistant varieties of wheat, tomato, sugarcane have been evolved by this metho..

Characters Species in a genus Species in a community Evolutionary relationship Different species of a genus have a common ancestory Different species of a community have different ancestory Occurence Species..

Pheretima posthuma is a common species of earthworm found living in burrows made in moist soil. It is nocturnal in habi..

Hybridization - It is a breeding method, where in two known parents are crossed with the objective of achieving hybrid vigour or heterosis. Parents may belong two varieties of same species or two species of same genus..

It is a breeding method, where in two known parents are crossed with the objective of achieving hybrid vigour or heterosis. Parents may belong two varieties of same species or two species of same genus..

Carl Linnaeus, father of modern botany, was a Swedish naturalist who laid the foundation of modern classification and nomenclature in 1758. He devised a binomial system of nomenclature (naming system) in which an organism is given two names: A generic name (name of genus) which it shares ..

Nomenclature - Carl Linnaeus, father of modern botany, was a Swedish naturalist who laid the foundation of modern classification and nomenclature in 1758. He devised a binomial system of nomenclature (naming system) in which an organism is given two names: A generic name (name of genus) w..

In the description of Angiosperms, family is the most useful taxonomic unit. Ranks higher than family are not of much practical significance and are used mostly in classification systems and academic discussions. The taxonomic category genus also does not get much importance as plan..

Introduction - In the description of Angiosperms, family is the most useful taxonomic unit. Ranks higher than family are not of much practical significance and are used mostly in classification systems and academic discussions. The taxonomic category genus also does not get much importanc..