Population 4 - Changing fertility rates
Population Ecology Every second….5 people are born, 2 people die, ….net gain 3 people.
Aqa population-revision
Population Ecology How do populations grow? Growth = birth rates > death rates Decline = birth rates < death rates Zero Growth = birth rates = death rates.
Population & Development Revision National Geography.
The Study of Population. Study of Population is called Demographics. Two of the most basic factors that affect Population are Birth rates and Death rates.
