| producer | | takes energy from dead or living things |
| ecology | | an animal that is hunted and killed by another animal for food |
| competition | | living factor |
| parasite | | nonliving, sterile |
| ecosystem | | variety oflife in an ecosystem |
| biodiversity | | organisms competing for food and reproduction |
| scavenger | | an animal that feeds on flesh |
| abiotic | | an animal that kills another organism for food |
| habitat | | the place where a species lives |
| autotroph | | all members of a species inhabting a given location |
| biotic | | a plant-eating animal |
| population | | a system containing a living community and its nonliving enviornment |
| carnivore | | populations of different species in a given area, interacting with each other |
| community | | an organism that feeds on dead organic matter |
| herbivore | | an organism that feeds upon the dead bodies of animals |
| consumer | | the study of living things and their environments |
| predator | | an organism that uses the sun's energy to make its own food |
| heterotroph | | an oranism that consumes other organisms |
| prey | | an organinsm that makes its own food |
| decomposer | | an organism that lives on or in a host from which it takes its food |