Front

Rely on or need the same resource as another organism

Back

compete

Front

Large intestine where solid waste is compacted for elimination

Back

colon

Front

An organism that breaks down plant and animal material into simple chemicals

Back

decomposer

Front

Organic litter of dead organisms and waste

Back

Detritus

Front

Community of organisms interacting with each other and the nonliving environment.

Back

ecosystem

Front

Feeding relationships between organisms in an environment

Back

food chain

Front

Feeding relationships in an ecosystem

Back

food web

Front

Earth's core, mantle, and crust

Back

geosphere

Front

Sugar in food; broken down in cells for energy.

Back

glucose

Front

An organism that cannot make its own food

Back

consumer