Energy Relationships, Food Chains, Food Webs, Trophic Levels

Front

An organism that cannot make its own food.

Back

Heterotroph

Front

The total mass of living tissue within a trophic level.

Back

Biomass

Front

An organism that obtains energy by feeding on other organisms.

Back

Consumer

Front

A diagram that shows the biomass of organisms at each trophic level.

Back

Ecological pyramid

Front

Special characteristics that help an organism survive.

Back

Adaptations

Front

An organism that can make its own food through photosynthesis or chemosynthesis.

Back

Autotroph

Front

The flow of energy through a food chain or food web.

Back

Energy transfer

Front

A series of organisms each dependent on the next as a source of food.

Back

Food chain

Front

A complex network of feeding relationships among various organisms in an ecosystem.

Back

Food web

Front

The position an organism occupies in a food chain, which determines its feeding relationships.

Back

Trophic level