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Marine Organisms (three types of marine organisms (floaters (Phyto…

- - - - algae
      - diatoms
      - produce foods by photosynthesis
        
        found upto the depth of 200m below sea level
        
        Photic zone :zap: upto which sunlight reaches
      - autotrophs
        
        grow fastly
        
        covers large areas of sea surface
        
        marine pastures
        
        Harmful algal blooms
        
        when too many nutrients are available
        
        population goes out of control
        
        red coloured blooms are called red tides
        
        toxic compounds for other sea species
        
        first part of marine food chain