What Are Biomes and Where Can They Be Found?

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Across
  1. 4. The type of terrain that includes forests, deserts, and grasslands. (5 letters)
  2. 5. The factor of a biome determines the types of plants and animals that live there. (7 letters)
  3. 6. A large geographic area with similar climate, vegetation, and animal life. (7 letters)
  4. 7. The dry, barren biome with little precipitation. (6 letters)
Down
  1. 1. The characteristic plants that grow in a biome. (10 letters)
  2. 2. A warm, wet forest that has a wide variety of plants and animals. (10 letters)
  3. 3. The layer of permanently frozen ground found in the tundra. (9 letters)