Ecology review (biology) population ecology

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population

A group of individuals of the same species living in the same area

Population density

The number of individuals per unit area

Population dispersion

The spatial distribution of individuals within the population

exponential growth 

Describes a population that is increasing rapidly

Growth rate

The amount by which a populations size changes in a given time

Survival curve

A graph that shows the likelihood of survival at different times in the life of an organism

Emigration

The moment of individuals out of a population

Limiting factor

Any factor that restrains the growth of a population

Carrying capacity

The number of individuals the environment can support over a long period of time

logistic growth

A model of population growth in which growth slows or stops following a period exponential growth

immigration

the movement of individuals into a population