Ecology and Environmental Systems

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.

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 obtains energy by eating other organisms.