In flowers, the pollen grain germinates after the pollination of the carpel and grows into the style by creating the pathway for the pollen grain to move down to the ovary. The pollen tube opens into the ovule through the micropyle and bursts into the embryo sac.
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Answer:
In flowers, the pollen grain germinates after the pollination of the carpel and grows into the style by creating the pathway for the pollen grain to move down to the ovary. The pollen tube opens into the ovule through the micropyle and bursts into the embryo sac.