AP BIOLOGY

Detailed explanation-1: -The difference between the birth rate and death rate of a country is called the natural growth rate. If the birth rate is higher, then the population is said to grow and if the death rate is higher, the population is said to shrink, i.e. show negative growth.

Detailed explanation-2: -The difference between the birth rate and the death rate is known as ‘growth rate of population’.

Detailed explanation-3: -Population change is governed by the balance between birth rates and death rates. If the birth rate stays the same and the death rate decreases, then population numbers will grow. If the birth rate increases and the death rate stays the same, then population will also grow.

Detailed explanation-4: -The growth rate is defined as the difference between the birth rate and the death rate. The population growth rate for India is 0.97%. If the birth rate exceeds the death rate, then the population is increasing. If the birth rate decreases more than the death rate, then the population is decreasing or declines.