ECOLOGY

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Across
  1. 1. type of soil which drains slower, smaller tightly packed particles
  2. 2. both species benefit.
  3. 5. made up of weathered rock, minerals, humus, water and air.
  4. 7. one species benefits, the other is harmed.
Down
  1. 1. one species benefits, the other is neither helped or harmed.
  2. 3. type of soil which drains quickly, large particles.
  3. 4. not living and never was.
  4. 6. one living thing.