Population Density
Doubling time
Carrying Capacity
r-strategist
k-strategist
Demographics
Type I survivorship
Type II survivorship
Type III survivorship
Density Independent Control
Density Dependent Control
Demographic Transition
The number of organisms that live in a specified area. Ex: 1 bird/m2
The time it takes a population to double in size.
The maximum number of individuals an area can hold healthfully.
An organism that reproduces quickly, produces many offspring, and has little parental care. Ex: roach
An organism that produces few offspring, have much parental care, and are usually at the top of the food chain. Ex: humans
The study of populations
Late loss; k strategists
Constant loss of organisms
Early loss of organisms; r strategists
Controls on Population not due to land issues; ex:
hurricanes
Controls on Population due to limited land issues. Ex: disease, competitions
The change in births and deaths due to the industrialization of a country.
Infant Mortality Rate
Replacement Level Fertility
Total Fertility Rate
Pyramid Age Structure
Rectangular Age Structure
Inverted Age Structure
Immigration Reform and Control Act
The number of babies that do not make it to their 1st birthday.
The number of children a couple must have to replace both parents
The number of children a woman will have in her lifetime.
More children than adults. Children are not reaching adulthood.
Zero population growth. Deaths of the older adults equals the births.
There are not enough reproductive women to replace lost individuals
Created strong laws to limit immigration into the US; 1952