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Required Practicals - Coggle Diagram

- - - - 1
        
        Put cotton wool into three petri dishes and add same volume of water to each dish
      - 2
        
        Add ten seeds to each dish and place them in a warm place
      - 3
        
        Let seeds germinate - add extra water if cotton wool dries out
      - 4
        
        Once seeds have germinated, check if each petri dish contains same number of seeds
      - 5
        
        Place one petri dish in full light on a windowsill, second in a dark cupboard and third in partial light
      - 6
        
        Every day for 1 week, measure height of each seedling and record results in a table
      - 7
        
        Calculate mean height
    - - Independent variable = placing plants light and dark conditions
      - Dependant variable = mean height of seedlings