Flowering plants undergo ________, in which one of the sperm delivered by the pollen tube fuses with the egg, while another fuses with a central cell.

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Double fertilization is a unique feature of flowering plants (angiosperms) where one sperm cell fertilizes the egg cell to form a zygote, and another sperm cell fuses with two polar nuclei in the central cell to form the triploid endosperm, which nourishes the developing embryo.

Flowering Plants Undergo ________, in Which One of the Sperm