Question

which is not the characteristic of a population 1. natality 2 . mortality 3.stratification 4.sex ratio​

Answer 1

Answer:

3. Stratification.....................

Answer 2

STRATIFICATION (OPTION 3) is not the characteristic of a population.

CHARACTERISTICS OF POPULATION -

• Population characteristics are unique properties for a group.

1. Population Density

• Defined as a number of individuals in unit space.
• It depends on resource availability, energy flow, productivity, utilization.
• The important factors are - MORTALITY, NATALITY, IMMIGRATION, and EMIGRATION.
• NATALITY - Defined as the birth rate of the population.
• MORTALITY - Defined as the death rate of the population.

2. Sex Ratio

• The ratio of males and females in a population.
• It affects growth rate and evolutionary trajectory.
• It depends on mortality, natality, immigration, and emigration rate of a population.