physical features ( social science)

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 with other..

Organisms look similar because their body designs are similar. If body designs are to be similar, the blue prints for these designs should be similar. Thus, reproduction involves making copies of the blueprints of body design. The chromosomes in the nucleus of a cell contain information for inheri..

Phylum Chordata - Phylum Chordata is characterized by three unique features, at least during the early stages of their development. A rod-like structure called notochord lying above the digestive tract A tubular nerve cord lying above the notochord A pair of gill slits in the pharangeal r..

The earliest classification was into metals and non-metals, which was on the basis of physical and chemical propertie..

Introduction - The branch of Physics dealing with the nature and properties of light and vision is called optic..

Human evolution concerns itself with the emergence of humans as a distinct species. Undoubtedly, there are special features possessed by 'Homo sapiens' considered to be at the top of the evolutionary ladder but science has become fully committed to finding purely biological ex..

Features of Phylum Aschelminthes - Aschelminthes or nemathelmenthes includes round or thread wor..

Do Organisms Create Exact Copies of Themselves? - Organisms look similar because their body designs are similar. If body designs are to be similar, the blue prints for these designs should be similar. Thus, reproduction involves making copies of the blueprints of body design. The chromosomes in the..

All living organisms, whether plants or animals, are made up of microscopic units called cells. The cell occupies the same central position in biology as the atom in the physical sciences..

Question: Action of heat on blue vitriol is a physical as well as chemical change. Justify. Answer: When blue vitriol is a gradually heated to about 800 o C, it undergoes a physical change to form a white powder. On adding a drop of water to the white powder, it chang..