biology

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Across
  1. 3. the term used to refer to living beings
  2. 5. deriving energy from food
  3. 6. presence of a backbone
  4. 9. what identifies a particular living being
  5. 10. many cells
  6. 11. diving living beings into different groups
  7. 13. one cell
  8. 14. the ability to ingest food
Down
  1. 1. where animals live
  2. 2. the number of vital functions
  3. 4. the five largest groups to place living beings into
  4. 7. removal of waste
  5. 8. the building block of life
  6. 12. what animals have in order to survive