The arrival of a pollen grain on the carpel of a flower or the scale of a female cone is termed

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The term "pollination" refers to the transfer of pollen from the anther of a flower to the stigma of the same flower or a different flower, which is the first step in the process of sexual reproduction in plants. Once the pollen grain lands on the carpel or scale, it needs to germinate and grow a pollen tube towards the ovule for fertilization to occur. Vascularization refers to the development of a system of veins and arteries to transport fluids within an organism and is not directly related to pollen and reproduction.

The Arrival of a Pollen Grain on the Carpel of a Flower