Key Terms in Ecology Flashcards

All 4 cards in this deck

What is a population?

All the organisms of one species living in a habitat at one time.

What is a community?

All the populations of different species living in the same habitat.

What is an ecosystem?

A community of organisms together with the abiotic (non-living) parts of their environment, interacting with each other.

List the levels of ecological organisation in order, from smallest to largest.

Individual organism → population → community → ecosystem.