natural living systems

As science became a part of human life, the classification of living organisms had to undergo a thorough modification. The advent of the microscope in the 17 t h century opened up a new world of organisms that were hitherto unexplored; the world of micro organisms. It was hard to believe ..

Metals in the Living System - Traces of metal is necessary for the human and animal system to function efficiently. Some of the important metals required are iron, copper, zinc, sodium and potassium. Iron metal is a constituent of haemoglobin in blood which carries oxy..

Traces of metal is necessary for the human and animal system to function efficiently. Some of the important metals required are iron, copper, zinc, sodium and potassium. Iron metal is a constituent of haemoglobin in blood which carries oxygen to various parts of the body in humans and ani..

The cells are elongated and are circular, oval or polygonal in cross-section. Cell wall is unevenly thickened with cellulose at the corners against the intercellular spaces. Nucleus is present and hence the tissue is living. Vacuoles are small. Intercellular spaces are gener..

The cells are elongated and are circular, oval or polygonal in cross-section Cell wall is unevenly thickened with cellulose at the corners against the intercellular spaces Nucleus is present and hence the tissue is living Vacuoles are small Intercellular spaces are generally..

Natural Systems of Angiosperm Classification - The natural systems of classification of angiosperms have mainly used the floral characteristics as the basis. Some of the earlier attempts in this direction were those of Linnaeus, John Ray, Bentham and Hooker. ..

The natural systems of classification of angiosperms have mainly used the floral characteristics as the basis. Some of the earlier attempts in this direction were those of Linnaeus, John Ray, Bentham and Hooker. However, these systems of classification are now termed a..

A binary system is one in which two heavenly bodies revolve about a common centre of mass. (The word binary means two..

Introduction - The present system of classification, recognises the living organisms under five kingdom..

Organisation refers to a kind of structure or system or situation where the smaller components become arranged into larger ones in a hierarchical order of complexity, to co-ordinate with one another in performing common functions or achieving common goals. In the living sys..