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4th Grade Sci U 09
Investigating Energy Flow in Living Systems
| Term | Definition |
|---|---|
| Consumer | an organism that eats other organisms (plants and/ or animals) for food |
| Decomposer | an organism that gets energy by feeding on dead materials and waste |
| Dependent | to rely on someone or something else |
| Ecosystem | the living and nonliving components of an area |
| Food chain | a representation of the flow of energy from the sun through producers to consumers and decomposers in an ecosystem |
| Food web | a representation of several overlapping food chains in an ecosystem |
| Habitat | the place where an organism lives |
| Model | a picture, idea, or an object that represents an object, a system, or a process and is used to help with understanding |
| Producer | an organism that makes its own food |
| Aquarium | a glass or plastic container in which fish and other water animals and plants can live |
| Carbon dioxide | a colorless, odorless gas found in our atmosphere |
| Carnivore | an animal that gets food from killing and eating other animals |
| Herbivore | an animal that gets its energy from eating only plants |
| Interact | to act together : to come together and have an effect on each other |
| Omnivore | an animal that eats both plants and animals for energy |
| Organism | a living thing made up of one or more cells and able to carry on the activities of life (such as using energy, growing, or reproducing) |
| Terrarium | a usually transparent enclosure for keeping or raising plants or usually small animals indoors |
| Primary consumer | an organism that eats producers |
| Secondary consumer | an organism that eats other consumers |
| Sun | source of energy |