Symbiotic Relationships & Nitrogen Cycle

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Across
  1. 4. When one benefits and the other is unaffected
  2. 5. NO3
  3. 7. Symbol N atomic number 7
  4. 8. One benefits one dies
Down
  1. 1. The process in which NH2 groups are converted to Ammonia
  2. 2. Animal hunter
  3. 3. Two animals fight for the same animal
  4. 6. When both benefit