Ecosystems and Interactions

A non-living part of an ecosystem.

A characteristic that helps an organism survive in its environment.

A living or once-living part of an ecosystem.

The maximum population size an environment can support over a long period.

A symbiotic relationship in which one species benefits while the other is unaffected.

All the populations of different species living in an area.

The struggle between organisms for limited resources.

The idea that two species cannot occupy exactly the same niche in the same habitat indefinitely.

An organism that breaks down dead organic matter and recycles nutrients.

A community of organisms interacting with one another and with their physical environment.