Nature

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Across
  1. 5. Insect that tastes with their feet
  2. 6. A group of this animal is called a prickle
Down
  1. 1. Only bird to fly backwards
  2. 2. A bulletproof animal
  3. 3. Has 14000 teeth in total
  4. 4. Has 3 hearts
  5. 5. Fastest growing plant