Polar Crossword

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Across
  1. 2. What polar animal has backwards spines instead of teeth?
  2. 3. which Polar animal is dubbed the Unicorn of the sea
  3. 4. which Polar animal has tusks and can weigh over a tonne
Down
  1. 1. which Polar animal is also known as a killer whale
  2. 2. what Polar animal is the largest land carnivore