Sexual & Asexual Reproduction. Pollination and Fertilization: Presentation 2 of 3. Pollination. Pollination occurs when mature pollen grains (male sex cells from the stamen) come into contact with the moist, sticky surface of a flower stigma (female flower part). . stigma.
Sexual & Asexual Reproduction
Pollination and Fertilization: Presentation 2 of 3