for luka and nawid :)

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Across
  1. 2. a product of photosynthesis
  2. 5. bacteria and fungi are examples of this
  3. 9. combination of metals
  4. 10. one of the 5 kingdoms
  5. 12. these have high resistances
  6. 13. the creator of the periodic table
Down
  1. 1. the populations of different organisms that live together in a habitat
  2. 3. binds to oxygen to carry in blood
  3. 4. a type of variation that can only fall into certain categories
  4. 6. group 7 elements
  5. 7. the second category in classification
  6. 8. cells where photosynthesis occurs
  7. 11. unicellular organism which can alter its shape