Divergent evolution - Labster Theory - hth华体会最新网站

Divergent evolution can be seen in the forms of the reproductive organs of flowering plants which share the same basic anatomies; however, they can look very different as a result ofselectionin different physical environments andadaptationto different kinds of pollinators.

On the left, a tall, thin, purple flower contains thin purple string-like extensions about 2 centimeters long. On the right, a zoom up of the centre of a flower with purple petals. The centre contains many stiff yellow rods with red tips.

开花植物是从共同的祖先进化而来。Notice that the dense blazing star (left) and the purple coneflower (right) vary in appearance, yet both share a similar basic morphology. (credit: modification of work by Drew Avery and Cory Zanker respectively)