Some angiosperm flowers are capable of self pollination However when they are pollinated by bees plants receive a benefit they cannot achieve on their own What is this benefit?

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When angiosperms are pollinated by bees, the pollen which they receive is usually from a different plant. By pollinating the flower with pollen from a different plant, the bees are increasing the genetic diversity of the offspring. If self-fertilisation in angiosperms does occur, the offspring will be clones of their parents.
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Does a flower need a bee even if it can self-pollinate itself?

Generally speaking cross-pollination (moving pollen from the flower of one plant to the flower of another plant) is considered better than self-pollination. Continual self-po

What benefit does a bee offer that a self pollinating flowering plant cannot achieve on its own?

That the plant will grow over an area wider than the immediate ground in which the plant grows and that natural hybridization may take place are among the benefits that a b