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PopulationYou must be familiar with the term 'population'. It is one of the most talked about issues of this century. It is feared that the rapid growth of the world population if allowed to continue, might outstrip the food supply in the near future. The present high rate of population growth is a major concern of the governments, scientists and administrators. Have you ever wondered as to what is meant by population?In a technical sense 'population' is defured as a group of freely interbreeding the same species present in a specific area at a given time. For example, when we say thatindividuals of the population of a city is 50,000, we mean that there are 50,000 individuals of Homo sapiens in that town. Other living organisms, for example cats and dogs present in the city are not included as they are populations of two different species.In nature, population of a species is subdivided into a number of local breeding populations called deme. Demes are geographically separated populations of the same species. For example, the garden lizards of Qutub Minar. Delhi, form a separate deme from the garden lizard of Lodi Gardens, Delhi or the garden lizards of Swaraj Bhawan, Allahabad. Consequently, in a deme each individual has an equal opportunity of mating with another individual of the opposite sex, but not with individuals in another deme. Because of frequent mating and similar environmental conditions members of a deme resemble each other more closely.A population exhibits certain characteristics which can only be expressed at the population level and not shared by the individuals of the population. For example, individual organisms are born, grow and die but characteristics such as birth rate, death rate, density are only meaningful at the population level.
buffalo can be dies due ashyxia
Explain Antiarrhythmic Drugs? Amiodarone may be considered in VT/VF that is refractory to shock. It might be given if the third shock is not successful. The dose is 300 mg IV i
Why Fish and Sea Foods are important for human Body? They are rich sources of proteins (20-25%) of a high biological value. Dry fishes contain more (60%) proteins since most of
Define Clinical Features and Medical Complications for bulimia? Unlike, anorexia nervosa, in bulimia you will find that symptoms are more difficult to detect because patients a
Define Components of Total parenteral nutrition? Glucose: Initiated at the rate of 6 mg/kg/min and increased upto 12-1.4 mg/kg/min, but care to be taken to prevent hyperglyce
Explain Nutrient needs and Recommended Dietary Allowances? For infants and preschoolers, satisfactory growth is a sensitive criterion of whether needs are met. 50 th percentil
Indications for Surgery : Patients with moderate or severe tricuspid regurgitation that is functional will need tricuspid annuloplasty at the time of correction of mitral valve d
MECHANIS M - Tergo-sternal muscles are relaxed. Volume of cavity is increased and pressure is decreased. To full fill the pressure air comes through the passage & mixed
Define the term - Hemiplegia The characteristics of hemiplegia (again, hemi means "half") are loss of voluntary movements on one side of the body, changes in postural tone, and
Define Estimation of Protein by Growth and body, weight changes? The methods under this category include Protein efficiency ratio (PER) Net protein ratio (NPR)
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