| A | B |
|---|
| Biomes | areas that have distinctive climates and organisms |
| Climate | weather conditions in an area over a long period of time |
| Canopy | the covering of tall trees with intertwining branches |
| Bentic Zone | bottom of a body of water |
| Estuary | aquatic ecosystem in which fresh water from rivers mixes with salt water from the ocean |
| Littoral Zone | nutrient-rich, shallow-water area near the shore |
| Conifers | trees whose seeds grow in cones |
| Desert | areas that receive less than 25 cm of precipitation a year |
| Drought-resistance | survival strategy that allow organisms to live through the worst desert conditions |
| Estivation | organisms bury themselves in the ground and sleep through the dry season |
| Permafrost | permanently frozen soil |
| Wetlands | areas of land that are covered with water for at least part of the year |
| Coral reefs | limestone islands in the sea that are built by coral animals |
| Taiga | biome dominated by conifers |
| Tundra | biome without trees with frozen soil |
| Deciduous trees | trees losing their leaves in the fall and growing new ones in spring |
| Temperate grasslands | Prairies and pampas |
| Tropical Savanna | Grasslands of West Africa |
