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Ecosystems
| Term | Definition |
|---|---|
| consumer | an organism that obtains its food by eating other organisms |
| decomposer | an organism that breaks down the dead bodies and wastes of other living things |
| energy | the ability to make things move or change |
| food chain | a series of organisms in which each organism is food for the next one in the series |
| fungi | a group of organisms that includes mushrooms and molds |
| invasive species | a non-native species that is introduced into an ecosystem and causes harm |
| omnivore | a consumer that eats both plants and animals |
| photosynthesis | the process by which plants, algae, and some bacteria use energy from sunlight to make their own food |
| predator | an animal that hunts and eats other animals |
| producer | a plant or other organism that makes its own food |
| energy pyramid | a model that shows the amount of energy available at each feeding level in an ecosystem |