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During the day, young sunflower plants track the sun from east to west
At night the plants turn to face east, awaiting the rising sun
Adult sunflowers settle down and just face east
The movement of the sunflowers is due to uneven growth
This growth is driven by genes that respond to light and the plant's circadian rhythm
These sun-oriented behaviors give sunflowers advantages
Plants that tracked the sun when young have more biomass
And eastward facing adult plants are warmer
This extra warmth makes them better at attracting pollinators