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An example of polymorphism: the two colour variations found in the orchid Dactylorhiza sambucina.
Plant cells expand by taking up water into their vacuoles.
Components of a MiniCiggy e-cigarette
These young children are taking the initiative to explore their environment as they examine a snail
Electron microscope photo of mRNA molecules being read by ribosomes.
This unit is applying smoke to the fuel tank through an adapter and the leak was easily found to be ...