whatever you like, i dont know.

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Across
  1. 5. Something needed by an organism
  2. 8. Sorting things into groups.
  3. 9. paper A scientific magazine in which scientists publish their findings by writing articles called scientific papers
  4. 10. A group of similar organisms
  5. 11. Fusing of a male gamete with a female gamete
  6. 12. A scientific magazine in which scientists publish their findings by writing articles called scientific papers
Down
  1. 1. An activity of an organism that affects another organism
  2. 2. The differences between things.
  3. 3. The splitting of a parent cell to form two identical daughter cells.
  4. 4. Something needed by an organism
  5. 6. A non-living factor that can change the conditions in a habitat
  6. 7. Sorting things into groups.