Please answer the following question: Fact 1: Pollination is the fertilization step in the sexual reproduction of plants. Fact 2: Pollen grains are the small male reproductive bodies of plants that fertilize female flowers. Given the two facts above, answer the question "pollen grains are small male reproductive bodies of plants used to pollinate what?" with the following options: - male bushes - an organism's body - in the autumn season - scarce resources - male flowers - female flowers - female bees - peachleaf willow
A:
female flowers