The evolution of pollination by animals

How animal pollination evolved in the first place is fun to think about. Pollination by animals has been an incredibly successful strategy for plants. Not that wind pollination doesn't work, but it has its disadvantages, first of which is the fact that the plant has to make a huge amount of pollen, because most of it isn't going to get anywhere near the target.

An interesting feature of wind pollination is that the plant needs to be able to snatch the pollen from the air. Toward this end, some plants have developed sticky fluids that assist in pollen capture. Some scientists envision that animal pollination arose when insects or other animals fed on these plant secretions and, as a result, moved pollen from one plant to another.

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