Arctic

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Across
  1. 3. The varied residents of a chilly expanse
  2. 5. A distinct northern thread in life's rich fabric
  3. 6. A specialized role in the chilly variety
  4. 7. The colorful spectrum within a white winter wonderland
Down
  1. 1. A frozen landscape's rich variety
  2. 2. A varied network of northern circles
  3. 4. A cold, varied place where life thrives