Population Ecology

Front

What are the two factors that decrease population size?

Back

Emigration and Deaths

Front

What is the term for how quickly a population grows?

Back

Growth Rate

Front

What is the carrying capacity of a population?

Back

The maximum number of individuals of a species that an environment can support sustainably.

Front

Define a population in ecological terms.

Back

A population is a group of individuals of the same species that live in a specific area.

Front

What is population dispersion?

Back

The way in which individuals of a population are spread out in their habitat.

Front

What is the difference between immigration and emigration?

Back

Immigration is the movement of individuals into a population, while emigration is the movement of individuals out of a population.

Front

What factors can lead to an increase in population size?

Back

Births and Immigration.

Front

What is a density-dependent factor?

Back

A factor that affects population size in relation to the population's density, such as food availability, disease, and competition.

Front

What is a density-independent factor?

Back

A factor that affects population size regardless of the population's density, such as natural disasters or climate changes.

Front

What is the significance of the logistic growth model?

Back

It describes how a population grows rapidly at first and then levels off as it reaches the carrying capacity.