Key Terms in Ecology Flashcards

All 6 cards in this deck

What is a population?

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

What is a community?

All the populations of different species living together 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.

What is a habitat?

The place where an organism lives.

Put these levels of organisation in order, smallest first: community, ecosystem, organism, population.

Organism → population → community → ecosystem.

True or false? A community includes the non-living parts of the environment.

False. A community is only the living organisms; an ecosystem is the community plus the abiotic factors.