Classification Crossword

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Across
  1. 2. the process of grouping things
  2. 4. classifying things
  3. 6. feeds itself
  4. 8. includes fungi
  5. 9. they are everywhere
  6. 10. Relies on others for food
Down
  1. 1. helps you fight diseases
  2. 3. doesn’t have a spine
  3. 5. live in extreme conditions
  4. 7. largest phylum