| A | B |
|---|
| food chain | Organisms linked together by their feeding relationships |
| food web | A series of interacting food chains |
| consumer | Organism that eats other organisms |
| herbivore | An animal that grazes directly on a producer such as a plant |
| carnivore | Animal that catches live prey for food (also called predator) |
| prey | Animals captured, killed and consumed by other animals |
| predator | Catch live prey for food (also called carnivore) |
| parasitism | A relationship in which one organism live and feed on or in another organism |
| scavenger | Animal that eats other dead animals |
| detritivore | Organisms that eat small particles of dead plant and animal organic matter |
| decomposer | consumers that break down dead material |
| trophic level | A group of organisms that forms one link in a food chain |
| competition | The struggle between organisms for an environmental resource that is in limited supply |
| interspecific competition | Competition between members of different species |
| symbiosis | Two different organisms live and function together in close association |
| mutualism | Partnership between two organisms in which both of them benefit. |
| mycorrhiza | Symbiotic relationship between a soil fungus and a plant. |
| Commensalism | Symbiotic relationship between two species where one benefits and the other is neither harmed nor benefits. |
| epiphyte | A Plant or lichen that lives on another plant for support but does not harm it |
| lichen | A fungus that grows symbiotically with fungus |
| pollination | transfer of pollen from one flower to another by wind and animals |
| pollinator | insects, burds and small mammals that transfer pollen from one flower to another |
| intra-specific competition | Competition between members of the same species |
