| A | B |
|---|
| habitat | the general place where an organism lives |
| niche | what an organisms does and how it interacts with the environment |
| resources | the necessities of life; water, food, light, space |
| competition | organisms use a limited resource in the smae place at the same time as other organisms |
| predation | one animal captures and feeds on another animal |
| predator | the animal doing the capturing |
| prey | the animal being captured |
| herbivore | an animal that eats producers |
| symbiosis | two species live closely together |
| mutualism | both species benefit from the relationship |
| parasitism | one organism benefits while one organism is harmed (host) |
| commensalism | one organism benefits while the other organisms is unaffected |
| ten percent | the amount of energy that transfers up to the next trophic level |
| biotic factor | any living part of the environment |
| abiotic factor | any nonliving part of the environment |
| food chain | one pathway of energy transfers |
| food web | a network of multiple energy transfers |
