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A leaf is a green above-ground plant organ. Its main functions are photosynthesis and gas exchange. A leaf is flat so it absorbs the most light, and thin, so that the sunlight can get to the chloroplasts in the cells. Most leaves have stomata, which open and close.
6 days ago · leaf, in botany, any usually flattened green outgrowth from the stem of a vascular plant. As the primary sites of photosynthesis, leaves manufacture food for plants, which in turn ultimately nourish and sustain all land animals. Botanically, leaves are an integral part of the stem system.
May 21, 2018 · A leaf is a plant organ that is an outgrowth of the stem, and has three main parts: the blade, a flattened terminal portion; the petiole, a basal stalk that connects the blade to the stem; and the stipules, small appendages at the base of the petiole. However, the leaves of many species lack one or more of these three parts.
leaf, Any usually flattened green outgrowth from the stem of a vascular plant. Leaves are the primary site of photosynthesis for most plants and manufacture oxygen and glucose, which nourishes and sustains both plants and animals. Leaves and stem tissue grow from the same apical bud.
Leaves are the main sites for photosynthesis: the process by which plants synthesize food. Most leaves are usually green, due to the presence of chlorophyll in the leaf cells. However, some leaves may have different colors, caused by other plant pigments that mask the green chlorophyll.
A leaf is a green above-ground plant organ. Its main functions are photosynthesis and gas exchange. A leaf is flat so it absorbs the most light, and thin, so that the sunlight can get to the chloroplasts in the cells. Most leaves have stomata, which open and close. They regulate carbon dioxide, oxygen, and water vapour exchange with the atmosphere.
Aug 6, 2023 · Maple Leaf Structure. Apple tree leaves showing insect damage. Tree leaves [edit] Green leaf of a tree . Azalea. Hortensia. Persimmon (Diospyros kaki) Loureiro, laurel. Maceira, apple tree. Canadian Maple (Acer rubrum) Australian Silver-oak (Grevillea robusta) Subalpine Fir (Abies lasiocarpa)
