| A | B |
|---|
| ecology | the study of the interrelationships between organisms and the environment |
| environment | all the living and nonliving things with which an organism interacts |
| ecosystem | a portion of the environment |
| habitat | supplies resources for organism |
| population | all the organisms of one species in a given area |
| community | all the organisms in a given area |
| niche | the role of a population within the community |
| food chain | series of animals eating other animals and plants |
| producer | makes its own food |
| consumer | eats other organisms for energy |
| decomposer | decays organic matter |
| herbivore | eats just plants |
| carnivore | eats just meat |
| omnivore | eats plants and animals |
| food web | all the food chains in a community |
| sun | source of energy for food chains |
