Marine bio crossword puzzle

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Across
  1. 2. is able to create it's own food using mostly carbon dioxide
  2. 5. capable of using light energy to perform photosynthesis.
  3. 6. these are the smallest and structurally simplest organisms, and the oldest forms of life on earth
  4. 8. one celled organism
  5. 10. are a very diverse group, mostly from underwater, of simple organisms.
  6. 11. branched out very early on the tree of life and are genetically distant from both groups.
  7. 13. this term refers to all the chemical reactions that take place in an organism.
  8. 14. part of the Eukaryotas group which contains everyday living organism that can be seen everywhere.
Down
  1. 1. obtains its energy from substances surrounding it
  2. 3. can create up another large group of planktonic, unicellular organism.
  3. 4. are eukaryotic and mostly multicellular, though some, such as mold and yeast, are unicellular.
  4. 7. is believed to have had constituted an ancient intermediate group.
  5. 9. an organism that contains of one or more eukaryote cells.
  6. 12. living together, a beneficial relationship between two organisms