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Negative gravitropism demonstration showing how mustard shoots react to change in pot position. Gravitropism is growth or movement response to gravity, observed in plants and fungus. Its is also called – geotropism. Just like phototropism, gravitropism can be positive or negative. To put it simply – positive gravitropism makes plants point same direction as gravity is puling – down, while negative gravitropism is directed upwards. Plants, well, at least mustard, are ridiculously sensitive to light. Befor
