Marine Ecosystems Quiz Review

An interacting group of various species in a common location.

The living component of an ecosystem are...

Microscopic organisms that float freely with oceanic currents and in other bodies of water.

The non-living physical and chemical elements in the ecosystem...

Small interstitial animals living in the soil of aquatic sediments.

The lowest level of a marine system includes the sediments, and some sub-surface layers.

a small specialized habitat within a larger habitat.

Organic waste material from decomposing dead plants or animals.

The flow of energy and materials from one organism to the next.

A model that shows the flow of energy from one trophic, or feeding, level to the next in an ecosystem.

When an aquatic system has an overabundance of nutrients.

The region of shallow water (200 meters depth) above the continental shelf where light penetrates to the sea floor.

a group of individuals of the same species living and interbreeding within a given area.

The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

A series of organisms that are all dependent on one other organism for food.

The position or role of an organism in a community of plants and animals.

Organisms that live on or in the bottom of a body of water.

Marine organisms that can swim and move independently of currents(Swimmers).

A biological community of interacting organisms and their physical environment.

A place where an organism makes its home.