AP BIOLOGY

Detailed explanation-1: -Pollination is the act of transferring pollen grains from the anther, i.e., the male part of a flower, onto the pistil, i.e., the female part of a flower. The transfer between male and female parts can be within the same flower or to a different flower of the same species.

Detailed explanation-2: -Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma.

Detailed explanation-3: -Hint: This type of pollination takes place by the birds with long beaks. It is the process of transfer of pollen grains from the male of a flower to the female stigma. Complete step-by-step answer: Pollination by the agency of birds is known as ornithophily.

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.