In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are formation of a pollen tube and pollination.

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Pollination, the transfer of pollen from the male parts of a flower to the female parts, must occur before a pollen tube can form. The pollen tube is a structure that grows after pollination, allowing the sperm to travel to the ovule for fertilization.

In This Question, Assume That the Life Cycle of a Flowering