In what ways can pollen transfer occur?

• A. By wind only
• B. By insects and other animals only
• C. Through wind, self pollination, insects and other animals, and humans manually transferring it
• D. Via water currents in the soil

Answer: (C)

Pollination happens when pollen moves from the male part of a flower to the female part, and pollen can travel in several ways. Wind can lift pollen airborne and carry it to other flowers. Insects and other animals visit flowers to gather nectar or pollen and inadvertently transfer pollen from one flower to another. Some plants can fertilize themselves when pollen from a flower’s anthers lands on its own stigma. Humans can also hand-pollinate plants, transferring pollen between flowers to ensure fruit set or breeding goals. Water currents in soil aren’t a typical route for moving pollen in most plants, so that option doesn’t fit the common ways pollen travels. That’s why the comprehensive description—covering wind, self-pollination, insects and other animals, and human assistance—best captures the ways pollen transfer occurs.