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Science Unit C Ch 1
Chapter 1 Vocabulary
| Question | Answer |
|---|---|
| environment | The surroundings in which an organism lives, which provide the specific things an organism needs. |
| biotic | Relating to the living parts of an environment. |
| abiotic | Relating to the nonliving parts of the environment. |
| habitat | The part of an environment in which an organism lives. |
| population | Organisms of the same species living together in the same environment. |
| community | The populations living in the same environment at the same time. |
| ecosystem | A community and the abiotic parts of its environment. |
| niche | The role an organism plays in an ecosystem. |
| biome | A region of the world that is defined by its climate and the unique plants and animals that live there. |
| deciduous forest | A biome in which the dominant plants are broad-leaved trees that shed their leaves each fall. |
| grassland | A biome where the dominant plants are grasses. |
| taiga | A biome where winters are very cold and long and the dominant plants are conifers. |
| evaporation | The change of water from liquid water to water vapor. |
| water cycle | The movement of water through Earth's ecosystem. |
| transpiration | The process by which plants lose water to the air. |
| condensation | The process by which water vapor changes from a gas to a liquid. |
| precipitation | The process by which water returns to Earth's surface, usually as rain or snow. |
| groundwater | Water that soaks into the ground. |
| carbon cycle | The flow of carbon dioxide and oxygen through Earth's ecosystems. |
| nitrogen cycle | The movement of nitrogen through ecosystems. |
| reusable resources | Resources that can be used again and again. |
| renewable resources | Resources that can be replaced within a human life span. |
| nonrenewable resources | Resources that cannot be replaced within a human lifespan. |