biology words and definitions

' (bio - living organisms; geo - soil, rock, etc, chemicos - elements and their compounds). These materials have been used again and again in the formation of new generations of the organism. In other words, the matter is continuously recycled. By definition, "The move..

Cancer Biology and Therapy - Cancer is characterised by uncontrolled growth and division of certain body tissues, so forming a tumour. It is one of the major killers today. Normally cell division is a regulated process. Mature cells are replaced by new cells produced by cell division and ..

The word soil is derived from a Latin word solum meaning ground. It is a stratified mixture of inorganic and organic materials, both of which are products of decompositio..

The word Immunity, arises from the latin word 'Immunis' which means 'exempt' or 'freedom'. Immunity refers to all the mechanisms used by the body for protection from external agents which include microorganisms and their products, some food items, chemicals, drugs, pollen ..

It is the system of giving a scientific name to an animal or a plant, an outstanding system contributed by Carolus Linnaeus. According to this system, any given animal or plant is given a scientific name consisting of two words. The first word refers to name of the genus w..

When pollutants like hydrocarbons and nitrogen oxides combine in the presence of sunlight, smog is formed. This is a mixture of gases and since it is formed by photochemical reactions, it is called the photochemical smog. The word 'smog' is derived from the two words-smoke and f..

The word Immunity, arises from the latin word 'Immunis' which means 'exempt' or 'freedom'. Immunity refers to all the mechanisms used by the body for protection from external agents which include microorganisms and their products, some food items, chemicals, drugs, pollen etc. T..

Population and Its Characteristics - Population is the next level in ecological hierarchy the word population has its origin in the Latin word populus meaning 'people'. In ecology, population is defined as the total number of all individuals of a particular species, which breed ..

It is the system of giving a scientific name to an animal or a plant, an outstanding system contributed by Carolus Linnaeus. According to this system, any given animal or plant is given a scientific name consisting of two words. The first word refers to name of the genus while t..

Although population of some animals is also studied, the population of human beings is most extensively studied. Whenever the word population is used, it connotes the human population. Population is one of the most important subjects known for having large scale ramifications on eco..