Flowers kept developing for the 125 to 135 million years of their existence on earth. Every few million years they varied in size, shape, color, scents, edible rewards, and reproductive morphology as the different species came and went. Their interactions with the ancestors of modern flower-visiting insects, many of them now extinct, also shifted – which resulted in further refinements in the flowers, and in changes to the insects themselves. ~ Page 37
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Dinesh said:
Sarah P. said: