A leaf usually has a large surface area, so that it can absorb a lot of light. Its top surface is protected from water loss, disease and weather damage by a waxy layer. The upper part of the leaf is ...

Ms Armit: The leaf is a major organ in plants in which photosynthesis occurs. Without photosynthesis, there'd be very little life on Earth, because when plants photosynthesise, they take in carbon ...

Plants using C4 photosynthesis grow 20-100 percent quicker than more common C3 plants by altering the shape, size and structure of their leaves and roots, according to a new study. Plants using C4 ...