an organism that can NOT create its own food -

an organism that breaks down dead or decarying organisms -

total weight of living organisms in a given area -

follows a simple path as animals consume each other -

multiple food chains which show how many animals are interconnected -

shows energy flow in a community -

organisms that only eat animals -

animals that only eat plants -

animals that eat both plants and animals -

sugar or food -

a type of ecosystem that is located in bodies of water -

a type of ecosystem that is found on land -

an organism that hunts for its food -

things that never lived (rocks, water) -

things that live or have lived (plants, animals, and dead animals) -

an organism's job in an ecosystem -

where organisms live -

an organism that feeds on things others have left behind -

large area of living and non-living things -