AP BIOLOGY

Detailed explanation-1: -Pollination : The mechanism of transferring pollen grains from anther of one flower to the stigma of another flower of the same or different plant is called pollination. The pollen grains can be transferred to the stigma of the flower through wind, water and insects called pollinating agents.

Detailed explanation-2: -Xenogamy: Transfer of pollen grains from anther to the stigma of a different plant.

Detailed explanation-3: -The transfer of pollen grains from the anther to the stigma of a flower is called pollination. If the pollens are tranferred from anther of one flower to stigma of another flower of the same species, it is called cross pollination.

Detailed explanation-4: -Geitonogamy : The transfer of pollen grains from the anther of one flower to the stigma of another flower of the same plant is called Geitonogamy.