Population Dynamics - Environmental systems

Front

What type of growth is characterized by a population that grows rapidly at first and then levels off as it approaches carrying capacity?

Back

Logistic growth.

Front

What type of survivorship curve describes organisms that have a high death rate immediately following birth, such as bacteria and fish?

Back

Type III survivorship curve.

Front

How do you calculate population density?

Back

Divide the number of individuals by the area of the space.

Front

What does a population pyramid indicating a wide base suggest about a country's population?

Back

The population is growing rapidly.

Front

Which factors contribute to an increase in population size?

Back

Immigration and births.

Front

What is carrying capacity?

Back

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

Front

What is the difference between density-dependent and density-independent factors?

Back

Density-dependent factors affect population size based on the population density, while density-independent factors affect population size regardless of density.

Front

What is the significance of a population's age structure?

Back

It helps predict future population growth and demographic trends.

Front

What is the term for the movement of individuals into a population?

Back

Immigration.

Front

What is the term for the movement of individuals out of a population?

Back

Emigration.