| A | B |
|---|
| ecosystem | a community of organisms and their abiotic, or nonliving, environment |
| habitat | the place where an organism usually lives |
| producer | an organism that can make its own food by using energy from its surroundings |
| decomposer | an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients |
| consumer | an organism that eats other organisms or organic matter |
| herbivore | an organism that eats only plants |
| carnivore | an organism that eats animals |
| omnivore | an organism that eats both plants and animals |
| food chain | the pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms |
| food web | a diagram that shows the feeding relationships between organisms in an ecosystem |
