How many pollen grains can potentially result from one microsporocyte?

The female structures of angiosperms are called __________, and they produce __________.

Flowers bear seeds in protective chambers called __________.

Which two structures of a flower bear sporangia?

A generative cell and a tube cell originate when __________.

What is the purpose of synergids in an ovule?

In the process of pollination, pollen grains are transferred from the __________ to the __________.

Like gymnosperms, many grasses and angiosperm trees are wind-pollinated. To conserve energy, these angiosperms do not produce complete flowers (complete flowers have all four of the basic parts). Which basic part would most likely be missing from wind-pollinated angiosperm flowers?

How do most flowering plants avoid self-fertilization?