| A | B |
|---|
| decomposer | an organism that breaks down dead organisms |
| mutualism | a symbiotic relationship in which both organisms benefit is called |
| competition | when animals are trying to get the same resources |
| food chain | a series of events in which one organism eats another and obtains energy |
| carnivores | consumers that only eat meat |
| community | a place where several groups of different species interact |
| symbiosis | an interaction between two organisms where at least one benefits |
| omnivores | consumers that eat both plants and animals |
| food web | many overlapping food chains in an ecosystem |
| consumer | an organism that feeds on other organisms to obtain energy |
| scavenger | an animal that feeds on the bodies of dead or decaying organisms |
| producer | an organism that makes its own food |
| abiotic | a non-living part of an organism's habitat is a/an ____________ factor. |
| population | all the members of one species in a particular area |
| limiting factor | an environmental factor that causes a population to decrease |
| pollution | making land, water or air unclean |
| non-point source pollution | pollution that does not come from one specific location |
| non-renewable resource | a resource that is not replaced in a useful amount of time |
| run-off | Water that flows across the land when it rains |
| watershed | an area that drains to a particular body of water |
| organism | a living thing |
