Population Size and Structure Vocabulary Flashcards
Age Structure
The number of individuals in each age category
Birthrate
The number of individual organisms born into a population in a given year
Death Rate
The number of individual organisms that die in a population in a given year
Density-Dependent Limiting Factor
A limiting factor that depends on the size of the population
Density-Independent Limiting Factor
A limiting factor that affects all populations the same, regardless of population size
Emigration
The movement of individuals out of a population
Immigration
The movement of individuals into a population
Limiting Factors
The elements in an ecosystem that restrict the growth of a population
Population Density
The number of individuals in a population per unit area
Population Distribution
The pattern in which individuals in a population are dispersed in an area
Population Size
The number of individuals in a population
