Ecology and Environmental Systems

A non-living part of an ecosystem.

A characteristic that helps an organism survive in its environment.

A predator at the top of a food chain with few or no natural predators.

An organism that produces its own food using sunlight or chemical energy.

The variety of living organisms within an ecosystem.

A living or once-living part of an ecosystem.

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

The process of producing food using energy from chemical reactions instead of sunlight.

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

All the populations of different species living in an area.