Classification systems

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Across
  1. 5. the latin for 'class'
  2. 7. the fourth English term in classification systems
  3. 9. the latin name for the second stage in a classification system
  4. 10. arctos the only latin name which has two parts, the latin for genus
  5. 11. inter-specific and intra-specifi competition is between ...
  6. 13. the fifth stage in a classification system
Down
  1. 1. the category for all plants, animals etc
  2. 2. the second stage in a classification system
  3. 3. the latin name for 'order'
  4. 4. the latin for kingdom
  5. 6. the English term for 'ursus'
  6. 8. the latin term for 'family'
  7. 12. the English term for 'mamammalia'