Madelyn was to identify cells as plant or animal. How can she pinpoint which are plant cells?

Plant cells have a rectangular shape and a cell wall, while animal cells have a circular shape and no cell wall

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.