Define – density of population, birth rate, death rate, actual population growth, age composition sex ratio.
Answers
Answer:
density of population = Population density is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density.
birth rate = the number of live births per thousand of population per year.
actual population growth = the increase in the number of individuals in a population.
age composition sex ratio. = The sex ratio is the ratio of males to females in a population. In most sexually reproducing species, the ratio tends to be 1:1.
Answer: 1) Density of population - population density is the number of people living in a unit area of earth's surface. It is normally expressed as per square km.
2) Birth rate - The number of babies born in a particular period of time.
3) Death rate - The ratio of deaths to the population of a particular period of time, usually calculated as the number of deaths per thousand people per year.
4) Population growth - population growth in the number of individuals in a population.
5) Age composition -Age
composition is the composition of different age groups of the population in certain groups.
6) Sex ratio - The proportion of males to females in a given population, usually expressed as the number of males per 100 females.
Explanation: