Population Ecology

The members of the same species that share the same geographic location are called...

• population

• community

• organisms

• biosphere

It's the number of organisms per unit area.

• community

• population capacity

• population density

• temporary population

The number of individuals moving away from a population

• immigration

• emigration

• invasive species

• exotic species

The number of individuals moving into a population.

• dispersion

• emigration

• extinction

• immigration

The pattern of spacing a population within an area.

• dispersion

• emigration

• migration

• immigration

The maximum number of individuals moving into a population.

• limiting factor

• carrying capacity

• fluctuation

• dispersion

Check on all the examples for density-dependent factors.

• competition

• lava flow

• number of predators

• fire

• spread of disease

Check all the density-independent factors.

• lava flow

• cold winter

• fungus that attack elm trees

• ticks on dogs

• diverting a river for irrigation

Elephants are considered as k-strategy organisms

• True

• False

Zero population growth occurs when death rates exceeds birth rates.

• True

• False