Kingdom Protista

• Chief producers in the ocean 


  Diatoms
• Microscopic and float passively in water currents


  Plankton
• Desmids


  Diatoms and golden algae
• Protists produce asexually and sexually by

  Cell fusion and zygote formation
• Gonyaulax


  +Rapid multiplication

  +Red tides

  +Dinoflagellate