Question

Describe in brief and write any four features of population? ​

Answer 1

Answer:

four features of population.

When scientists think about population dynamics, they consider four major characteristics. These characteristics include population size, population density, population spacing, and age structure. is the number of individuals in a population at a given time.

Answer 2

Answer:

1. Birth rate (natality)- It is the ratio of live births in an area to the population of an area. It is expressed as the number of individuals added to the population.

2. Death rate(mortality)- It refers to the live deaths in an area to the population of an area. It is expressed as the number of individuals removes from the population.

3. Sex ratio- It is the ratio of the number of male or female individuals per 1000 individuals.

4. Age distribution- A population at a given time is composed of different individuals belonging to different age groups. If the age distribution is plotted for the population, the resulting structure is called age pyramids. The shape of pyramids reflects the growth status of the population.

5. Population density- The number of individuals of a population present per unit area at a given time.