| A | B |
|---|
| Example of abiotic factor | moisture |
| Example of biotic factor | live organism |
| Group of organisms in area that interbreed | population |
| Collection of interacting populations | community |
| Total word of life | biosphere |
| Interaction between community's residents and environment | ecosystem |
| Place where organism lives | habitat |
| Role an organism plays in a community | niche |
| Make their own food using energy from sun | autotroph |
| Eats other organisms to get food | heterotroph |
| Example of scavenger | vulture |
| Break down dead organisms | decomposer |
| Living together | symbiosis |
| Two organisms live together, one benefits | commensalism |
| Two organisms live together, both benefit | mutualism |
| One organism lives with another and does harm | parasite |
| Organisms that makes its own food using sun's energy | autotroph |
| example of decomposer | fungus |
| Feed on refuse and dead organisms | scavengers |
| Smallest unit in life hierarchy | organism |
