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Changes to Texas Land
Term | Definition |
---|---|
Topography | A description of land surface area with reference to variation in elevation |
Topographic Map | Depicts changes in elevation using contour lines, such as mountains and valleys A map of the ocean floor |
Weathering | The process by which rocks are broken down. |
Deposition | The process by which gravity, water, wind, and ice deposit weathered and relocated sediment. |
Ecoregion | A relatively large area that is characterized by distinctive plant and animal communities, climate, and ecological features. |
Erosion | The process by which rock, sediments, or soil are carried away. |
Sediment | Earth material that is broken down by processes of weathering; can be eroded and deposited by the agents of water, wind, ice, and gravity. |
Western Texas | Consists of mostly mountains & basins. |
Coastal Plains in the East | Are a mix of pine & oak forests, prairies, marshes, and sandy plains. |
Central Texas | A mix of plains & prairies that become hilly regions & plateaus |
Ecoregions are divided by 2 features: | Ecologic & Geologic features |
Basin | A large sunken area of land |
Plateau | A flat region raised high above surrounding lands on at least one side |
Ecologic Features | Plants, animals, fungi, and other organisms that live in that region. |
Geologic Features | Include types of rocks found in the region, physical features like mountains, valleys, plateaus, canyons, and other landforms. |
Chemical Weathering | breaks down rocks through chemical processes that changes the rocks chemical composition. |
Differential Weathering | Weathering that occurs at different rates in rocks that results in an uneven surface. |