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Grade 4 SS. Def
ch 10 Living in the West
| Term | Definition |
|---|---|
| Weathering | the breakdown of rock caused by wind, water, and weather |
| Conservation | using something carefully and not wasting it |
| Ecosystem | an environment and all its living things, working as a unit. |
| Habitat | the natural home of a plant or animal |
| Extinct | no longer existing |
| Seasonal | happening at certain times of the year. |
| Migrant worker | a person who moves from place to place doing seasonal work. |