Flashcardizz Review

Front

What happens to a population when it grows past the ecosystem's carrying capacity?

Back

The population starts to die off to return to carrying capacity.

Front

If the amount of food or resources available increases, what happens to the carrying capacity for an animal?

Back

The carrying capacity increases.

Front

What term describes when part of the population leaves the environment?

Back

Emmigration.

Front

In a forest ecosystem, what is a limiting factor for a rabbit population?

Back

The amount of grass available.

Front

What type of factor is an extensive drought that threatens multiple animal populations?

Back

Density-Independent.

Front

Define carrying capacity in an ecosystem.

Back

The maximum population size of a species that an environment can sustain indefinitely.

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

Give an example of a density-dependent factor affecting population size.

Back

Predation, competition, and disease.

Front

What is a density-independent factor?

Back

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

Front

How does resource availability affect population growth?

Back

Increased resources can lead to population growth, while limited resources can restrict growth.