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Plants have a hard time finding mates -- their inability to get up and move around tends to inhibit them. Luckily for plants, bees and other pollinator species (including butterflies, moths and birds) help matchmake these lonely plants in exchange for food. Fernanda S. Valdovinos explains how these intricate pollination networks work and how it can all change from one season to the next.

Lesson by Fernanda S. Valdovinos, animation by The Moving Company Animation Studio.