Chapter 5 vocab cards Flashcards
The chapter 5 Living Environment flashcards and short answers.
Population Density
Number of individuals per unit area.
Population Distribution
Describes the way individuals are spaced out across their range
Age Structure
Number of males and females of each age in a population.
Immigration
Movement of individuals into an area occupied by an existing population.
Emigration
Movement of individuals out of an area.
Exponential Growth
Growth pattern in which the individuals in a population reproduce at a constant rate.
Logistic Growth
Growth pattern in which a population’s growth slows and then stops following a period of exponential growth.
Carrying Capacity
The largest number of individuals of a particular species that a particular environment can support.
Limiting Factor
Any factor that causes population growth to decrease.
Density-Dependent limiting factor
A limiting factor that depends on population density.
Density-Independent limiting factor
A limiting factor that affects all populations in similar ways, regardless of the population density.
Demography
The scientific study of human populations.
Demographic Transition
A dramatic change in a population from high birth and death rates to low birth and death rates.