Snails

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Across
  1. 2. Shedding old skin
  2. 4. Class of snails and slugs
  3. 6. Shell-less mollusk
  4. 8. Slow-moving gastropod
  5. 9. Organism that feeds on dead matter
  6. 10. Plant-eating animal
Down
  1. 1. Hard outer structure
  2. 3. Active during twilight
  3. 5. Many-legged arthropod
  4. 7. Natural environment