Both contain chlorophyll and are able to synthesis glucose from carbon dioxide, water and sunlight; both give off oxygen as a byproduct.
green plants have chlorophyll and that's what makes them different
I'd think purple because it is a darker colour therefore it absorbs more light, but then again you don't see many tall purple plants...
In a plant cell, the most abundant plastid is the chloroplast, which contains the pigment chlorophyll. Chlorophyll absorbs most of the sunlight, but reflects the green, which is why you see green. It...
Green plants reflect green light, non green plants reflect a different color making them red or whatever color they are.
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