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प्रश्न
Define the following term:
Population density
उत्तर
Population density is the number of individuals per square kilometre (km2) at any given time.
संबंधित प्रश्न
Birth rate (natality) is the number of live births per hundred people of population per decade.
Give the appropriate term for the following:
Death rate.
Fill in the blank:
Primitive man began existence about ______ million years back.
Fill in the blank:
______ is simply the number of individuals belonging to different age groups.
In what situation can the growth rate be negative?
Give Reasons: Medical discoveries such as antibiotics and vaccinations have indirectly contributed to the sharp rise in human population in the present century.
True or False:
Growth rate of a population is the difference between the birth rate and death rate.
Death rate is the number of deaths ______.
Distinguish between the following pair:
Natality and Mortality.
