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3 Unit 10 Ecosystems
3rd Unit 10 Ecosystems
Term | Definition |
---|---|
environment | Everything that surrounds a living thing. |
ecosystem | All of the living and nonliving things in a place. |
habitat | The space where a plant or animal lives. |
population | All of one kind of organism living in the same area. |
community | All of the populations in an area. |
producer | A living thing, such as a plant, that can make its own food. |
consumer | A living thing that cannot make its own food and must eat other living things. |
photosynthesis | The process in which plants use energy from the sun to change carbon dioxide and water into sugar and oxygen. |
food chain | A series of organisms that depend on one another for food. |
decomposer | A living thing that gets energy by breaking down dead organisms and animal wastes. |
erosion | The process of moving weathered rock and soil from one place to another. |
flood | A large amount of water that covers normally dry land. |
drought | A long period of time with very little rain. |
weathering | The breaking down of rocks on Earth's surface into smaller pieces. |
deposition | The dropping of sediment. |