I plan to expand on that statement and explain my reasoning.
Pollination is how nature selects genes from plants for future generations.
My old college botany book explains pollination as the fertilization of an egg in the plant's ovary. A seed will form only if pollen grains are deposited on the stigma of the plant. This is often because hybrid plants are produced from crossing two inbred parent lines, as is done with hybrid corn. Hybridization might also be described as crossing two plants which are different in at least one set of characteristics. Open-pollinated plants can be pollinated in two ways.