Context Plants name Main plant Marigold Tagetes Other plants also included in lab Vinca Catharanthus roseus Begonia Level of

Question

Context Plants name Main plant Marigold Tagetes Other plants also included in lab Vinca Catharanthus roseus Begonia Level of soil per pot Pot 1 5 cm Pot 2 7 5 cm Pot 3 12 cm Pot 4 15 cm IV Level amount of soil in the different pots DV Amount of leaves on each branch of the plant within each pot Research Question How does the mass of soil affect the amount of leaves on each branch of a marigold plant Constant variables Watered evenly same amount of sunlight same location time span Directions I Using the information above please write a few paragraphs answering the questions below in the format of an IB Biology IA Lab report Methodology MV correctly identified with units and levels including how the levels were chosen Minimum of five levels of MV over a suitable range unless comparing populations or correlating variables without manipulation RV as directly recorded and or calculated correctly identified with units RV is quantifiable Important CV identified with the potential impact of each discussed Validity measures and or control group are not misunderstood as CV

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