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Chapter 3. Phytoplankton (Phytoplakton groups (Cynobacteria (Been…

- - - - Occur in large variety of shapes, sizes and location and some forming multi-cellular colonies
  - - - Have the ability to create bioluminesence and powerful toxins that can become deadly via biological magnification
- - - - This is done by increasing friction by increasing the surface to volume ratio with reduced cell size of the production of projections
        
        Complex cell of chain shapes create a zigzag and spiral pattern through the water column
        
        Not just shapes used, some have evolved internal gas-filled vesicles to provide buoyancy
  - - - Some move (though limited) but is sufficient from removing phytoplankton from waste; switch energy sources, and others just persist
        
        Strictly photosynthetic organisms must rely on stored lipids or carbohydrates
        
        Some improve light absorption by producing more chloroplast closer to the cell surface
        
        Many diatoms produce dormant cysts that reduce metabolic activity. When conditions improve the cells germinate and commence photosynthesis
  - - - surface to volume ration in crucial
      - Complex shapes on cell surface (spines or ribbons) also increase surface area