Ecosystems & Their Interactions CFA #4 (After )

They usually die out quickly.

They have no effect on habitats.

They increase food availability.

They can outcompete native species for resources.

Through human activities and transport.

Through animal migration only.

By changing the climate.

They grow on their own.

The number of species only.

The size of ecosystems.

The age of organisms.

The variety of living organisms in an ecosystem.

It makes ecosystems larger.

It helps maintain ecosystem balance.

By destroying habitats and resources.

It only affects large animals.

It increases species variety.

It promotes ecosystem stability.