| Question | Answer |
| ecology | the study of interactions and changes in the environment |
| ecosystem | all the biotic(living) and abiotic(nonliving) parts of a particular area |
| producers | green from the presence of chloorophyll: plants, algae. the source of all food in the ecosystem |
| consumers | must eat another organism |
| primary consumers | (herbivores)feed on green producers |
| secondary producers | (carnivores) pret on primary consumers/herbivores |
| omnivores | consume both plant material and flesh |
| decomposers | break down dead, decaying tissue(plant or animal) |
| food chain | one path of energy flow |
| food web | all the food chains in an ecosystem interconnected |
| niche | unique role an organism plays in an ecosystem |
| symbiosis | a close relationship between 2 different organisms where at least one benefits |
| adaptation | the ability to change in order to succeed in an ecosystem |