Unit 2.3 Vocabulary Terms

The final stage in succession, remaining relatively unchanged until a natural disaster.

The development of plant and animal life in an area without topsoil.

The variety of life in the world or a particular habitat or ecosystem.

A process of ecosystem that is started by a forest fire, harvesting, a hurricane, etc.

Species that are the first to colonize previously damaged ecosystems.

An organism that breaks down waste and dead organism. It returns the energy to the ecosystem.

An organism that can make its own food.

An organism that obtains its energy from producers.

An organism that obtains its energy by eating primary consumers.

An organism that obtains its energy by eating secondary consumers.