Plankton

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Across
  1. 5. Gas absorbed as part of the photosynthesis reaction
  2. 6. Spiny species of phytoplankton often forming chains
  3. 8. Pigment necessary to do photosynthesis
  4. 10. A type of phytoplankton covered in calcium plates
  5. 11. When there is a rapid explosion of the plankton population
  6. 12. Microscopic plankton that contain chlorophyll
  7. 15. Essential element for photosynthesis
  8. 16. Type of phytoplankton with a cylindrical shape
  9. 17. Type of phytoplankton with a whip like tail
  10. 18. Ocean organisms that live as drifters in the ocean current
Down
  1. 1. Type of zooplankton with arms, tentacles, and stinging cells
  2. 2. Form of zooplankton that will mature into an animal no longer classified as plankton
  3. 3. Tiny crustaceans that spend their lives as zooplankton
  4. 4. phytoplankton are the foundation of the oceanic ____________
  5. 7. Type of plankton that feed on phytoplankton
  6. 9. Gas released by plants and algae during photosynthesis
  7. 13. Seasonal movement of a species from one location to another
  8. 14. The process of turning sunlight into carbohydrates (energy)