Surface of a tomato leaf (© Steve Gschmeissner/Science Photo/Getty Images)

【July 25 2015】Those hair-like structures are called “trichomes.” Many plants have them and they serve a variety of functions, depending on how they grow and serve the survival of the plant. On a tomato leaf, seen here, a certain type of trichome helps reduce the evaporation of water by trapping droplets on the surface of the leaf.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..