daniel.hoptmans crossword of all time!!!

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Across
  1. 3. trial
  2. 5. In ecology and biology.
  3. 6. altitude.
  4. 7. living organisms
Down
  1. 1. Of or having to do with life or living organisms.
  2. 2. relating to biology or living organisms.
  3. 4. living creature.
  4. 6. direction