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Ecosystems Vocab
| Term | Definition |
|---|---|
| Ecological Succession | Gradual change from one community of organisms to another. |
| Primary Succession | Ecological succession that begins in a place that does not have soil. |
| Pioneer Community | The first community of organisms to move into a new environment. |
| Secondary Succession | Succession that begins in a place that already has soil and was once the home of living organisms. |
| Climax Community | When a community has reached the final stage of ecological succession. |
| Biomes | Large geographic areas that have similar climates and ecosystems. |
| Tundra | Cold, treeless region that receives little precipitation but is covered with ice most of the year. Sometimes called the cold desert. |
| Taiga | A cold region of cone-bearing evergreen trees. This is the largest biome in the world. |
| Temperate Deciduous Forest | A region that has 4 distinct seasons and trees that lose their leaves every autumn |
| Tropical Rain Forest | Region with warm, stable temperatures and abundant rainfall. |
| Grassland | Dry, temperate region dominated by grasses such as wheat, rye, oats, barley and corn. |
| Desert | The driest biome on Earth, which receives less than 25 cm of rain each year and supports little plant life. |
| Plankton | Algae, plants, and other tiny organisms. |
| Estuary | Area where a river meets the ocean. It contains a mixture of freshwater and salt water. |
| Intertidal Zone | The portion of the shoreline that is covered with water at high tide and exposed to the air during low tide. |