![]() ![]() Of the many types and sizes of trees, each contributes unique attributes to a robust canopy and local ecosystem. One average tree will produce about 260 pounds of oxygen in a year.It gives deeper meaning to the trees around the neighborhood, knowing that they’re performing many types of ecosystem services throughout the year, even in the winter. In return, the leaf then releases six molecules of oxygen back into the environment. To produce a single molecule of glucose to feed the tree, a leaf must take in six molecules of carbon dioxide. The leaves will give off oxygen through the stomata and out into the environment, where it is used by other living organisms. The plant will use the carbohydrates as food to sustain it. The two byproducts of photosynthesis are carbohydrates and oxygen. Chlorophyll molecules absorb light energy to enable photosynthesis. ![]() Chloroplasts have a pigment called chlorophyll, which is the vital ingredient needed for photosynthesis. As sunlight shines on the tops of the leaves, the chloroplasts begin the process of converting the sunlight to energy to nourish the plant. Carbon dioxide and water enter the stomata through the underside of the leaves. Photosynthesis is the process by which leaves make food for a plant. Releasing moisture is called transpiration, and it is one reason why trees are beneficial for the environment. As leaves release water molecules through the stomata, they help cool the air. Many leaves close off the stomata during the nighttime hours to keep the leaves from losing too much moisture. These pores are openings that take in and release gases. The epidermis of the leaf has tiny pores called stomata. The xylem tissue moves smaller water and nutrient molecules through a plant. The phloem tissue moves large molecules through a plant. Vascular Bundle: These leaf veins contain phloem and xylem tissues.Most leaves have stomata on their undersides. Stomata: The stomata are small pores in the epidermis that help leaves exchange gases.Spongy Mesophyll: Located under the palisade layer, the spongy mesophyll helps move oxygen and carbon dioxide through the leaf.Photosynthesis takes place in the palisade layer. Palisade Layer: The palisade layer is the layer of the leaf that has the chloroplasts. ![]()
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