Other questions in this quiz

2. how many dinoflagellates can produce toxins?

  • 60
  • 100
  • 9

3. what is phytoplankton?

  • they are considered the 'plants of the ocean'
  • more plankton

4. where are cocolithores found?

  • in arctic regions
  • tropical regions

5. what 2 factors control primary production?

  • photosynthesis and stratification of surface waters
  • humans and sharks

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