List the attributes that populations but not individuals possess.

List the different attributes that a population has and not an individual organism. ( b) What is population density? Explain any three different ways the population density can be measured ,with the help of an example each .

List the phases of population growth in India.

Population Attributes

A population has certain attributes that an individual organism does not. These are a. Birth rate b. Death rate c. Sex ratio d. Age distribution

List the reasons for population explosion?

Assertion : Bell shaped age pyramid represents a stable population. Reason : In a stable population, proportion of individuals in reproductive age group is higher than the individuals in pre-reproductive age group.

Assertion (A): Population has certain attributes which an individual organism does not have. Reason (R): Population is a groups of people living in well defined area, at a particular time.

Couting of individual of a population is