TEST: Energy Flow Through Ecosystems (ADV)

A step in the food chain or food web.

The ultimate source of energy for all living organisms on Earth.

A series of steps in which organisms transfer energy from one organism to the next.

All of the living organisms in a given area as well as the abiotic factors with which they interact.

Organisms that eat only plants.

Name given to an organism that is able to undergo photosynthesis to make their own food.

The process that plants use to convert carbon dioxide and water into sugar, using energy from the sun.

Name given to an organism that cannot make its own food.

A process that is used in deep ocean environments, where organisms use the chemicals from cold seeps and hydrothermal vents to get their energy.

Organisms that eat both plants and animals.

Organisms that cause decay by breaking down complex molecules into similar molecules.

A network of complex interactions formed by the feeding relationships among many organisms in an ecosystem.

Organisms that eat only other animals.

Name given to the first trophic level on an energy pyramid.

Organisms that feed upon plant and animal remains as well as wasters and other dead matter.

Name given to the third trophic level in an energy pyramid.

Name given to the second trophic level in an energy pyramid.

Name given to the fourth trophic level in an energy pyramid.