Population Dynamics

Front

A population gets smaller by____________

Back

emigration and death

Front

What causes competition to occur in an environment?

Back

Organisms struggle for a limited resource.

Front

How many calves (baby moose) typically survive an entire year on Isle Royale?

Back

1-2 out of 10

Front

Density Dependent Factors are...

Back

Factors that limit a population size but it depends on the size of the population.

Front

Which part of a moose's body IS adapted to help it in the water?

Back

The nose can close to allow it to look for food under water.

Front

What is population dynamics?

Back

The study of how populations change in size, density, and structure over time.

Front

Define carrying capacity.

Back

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

Front

What is emigration?

Back

The act of leaving one area to settle in another, reducing the population in the original area.

Front

What is immigration?

Back

The act of coming into a new area to live, increasing the population in that area.

Front

What are density-independent factors?

Back

Factors that affect population size regardless of the population's density, such as natural disasters.