An organism that obtains energy by eating only plants is a

• autotroph

• heterotoph

• herbivore

• omnivore

A linear series of steps in which one organism tranfers energy to the next by eating or by being eaten

• food chain

• food web

• net primary productivity

• trophic level

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

• Biogeochemical Cycle

• Ecological Pyramid

• Food web

• Ecosystem

The rate at which the producers in an ecosystem capture light energy from the sun and store it in molecules of glucose is referred to as..

• Limiting nutrient

• Gross primary productivity

• Net primary productivity

• Ecological pyramid

A diagram that shows the relative amounts of energy or matter within each trophic level

• food chain

• food web

• ecological pyramid

• trophic level

An organism that obtains energy by consuming other animals

• Autotroph

• Omnivore

• Decomposers

• Carnivore

Name given to organisms that have the ability to produce their own nutrients using inorganic compounds

• Autotroph

• Decomposers

• Heterotroph

• Detritivore

Organisms that feed on dead plants and animals, animal wastes, and other dead matter

• Autotroph

• Heterotroph

• Decomposers

• Detritivore

Name given to a step in a food chain

• Food web

• Heterotroph

• Limiting nutrient

• Trophic level

A process in which elements and chemical compounds are passed from one organism to another

• Food Web

• Biogeochemical cycle

• Decomposers

• Ecosystem