Cyanobacteria (Hieu LY n9737421)

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Across
  1. 3. climate resistant spores
  2. 4. consisting of one cell
  3. 6. use of sunlight to produce energy
  4. 8. motile filament of cells formed by cyanobacteria
  5. 10. organisms lacking membrane bound nucleus
  6. 11. usually found in this type of environment
Down
  1. 1. byproduct of photosynthesis
  2. 2. nitrogen-fixing cells
  3. 5. interaction between organisms where one lives in another
  4. 7. internal membrane structures for photosynthesis
  5. 9. used as a dietary supplement