soil

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Across
  1. 1. An organism capable of producing their own food.
  2. 5. A lack or defect of something.
  3. 7. Organisms visible to the naked eye that live in soil and shred detritus.
  4. 8. Material that is living or dead.
  5. 9. The decaying remains of dead plants and animals.
Down
  1. 2. An organism that generally gets food by feeding on other organisms or organic matter.
  2. 3. The breaking down of rocks into soil.
  3. 4. Organisms too small to see with the naked eye.
  4. 6. The smallest soil particles.