APES Flashcards
Total Fertility Rate
Average number of children born to a women during her lifetime.
Replacement Level Fertility
Average number of children a couple must have to replace themselves in a population.
Infant Mortality Rate
Number of babies out of 1000 that die before their first birthday.
Crude Birth Rate
of births per 1000 people in a population
Crude Death Rate
of deaths per 1000 people in a population
Population Growth Rate Formula
(CBR + Immigration)-(CDR + Emigration)
Rule of 70
70/growth rate= Doubling Time
Demographic Transition Pre Industrial Transitional Industrial Post Industrial
Just be able to draw it kind of XD
Primary Succession
Establishment of biotic communities in lifeless areas with no soil or bottom sediments. Occurs slowly.
Secondary Succession
Succession following a disturbance. SOIL IS A-OKAY.
Ozone
Troposphere>Harmful
Stratosphere>Protects from UV