Nature Animals Plants Geography on Instagram: "Follow @explainingthewild for the best nature, animal, planet, and geography content This isa biological phenomenon where a plant physically moves or grows toward a light source to maximize its energy intake. While most plants grow toward the sun, the passion flower (Passiflora) takes this a step further with its highly specialized, spring-like tendrils. These tendrils are sensitive to both light and touch. When the plant detects a light source, it