Question

Describe the growth status of the population-
a) Whether it is growing, b) stable or c) declining

Answer 1

Population genetics is the study of dealing with the population the relative abundance of the gene survey of the various age group in the population is called age distribution of a population.

With regards to age distribution, there are three kind of population.

Stationary or a stable population has equal birth and death rates, so population shows zero population growth. The pyramid of this type of population is bell-shaped.

The declining population has higher death rates than the birth rate, so the population of young members is lower than that of old members example Japan. The pyramid of this type of population is urn shape.

Rapidly growing on expanding population has a high birth rate and low death rate so there is a high number of young individual in the population.