why do plants need carbon dioxide to grow

Plants act as a good complement to humanity, as the latter species breathes out carbon dioxide, which the plants then turn it into the oxygen humans need to live. Plants take in carbon dioxide, nutrients from the soil, water, and sunlight and create oxygen and a kind of simple sugar that they use for energy. This is a process necessary to life on Earth. Humans and animals exhale carbon dioxide as a byproduct of respiration. Plants extract the carbon dioxide from the air and use it in photosynthesis process to feed themselves. The carbon dioxide enters the leaves of the plant through small pores called stomata. Once the carbon dioxide enters the plant, the process begins with the help of sunlight and water. During this process, the plant combines carbon dioxide with water to allow the plant to extract what it needs for food.


The plant uses sunlight as energy to perform this chemical reaction. Photosynthesis separates carbon dioxide and water в known as CO2 and H2O, respectively в into their individual molecules and combines them into new products. Once the process is done, the plant releases Oxygen, or O2, into the surrounding air. It also creates C6H12O6, a substance similar to glucose, that feeds the plant. Because they often receive more carbon dioxide and water than they need to sustain their own lives, plants often produce extra food during photosynthesis. In cases like this, plants store this excess food in other areas of its body. In some plants, this food is stored in fruits and vegetables в some of which, humans and animals eat. In a round-about way, the carbon dioxide taken into plants also helps provide food for humans and animals in addition to themselves.


Some plants also store excess energy in their leaves. In addition to making food for plants to survive, photosynthesis is an important part of the life cycle of all living things, as most fauna в animal life в require oxygen to survive. Oxygen is in limited supply in the atmosphere: if there was no way to transform the carbon dioxide emitted by living things back into oxygen, life would be unsustainable in the long term. Because plants are able to use the carbon dioxide and change it back into oxygen, life is able to continue for all living things, forming an important cycle.
photosynthesis The chemical change that occurs in the leaves of green plants. It uses light energy to convert carbon dioxide and water into glucose. Oxygen is produced as a by-product of photosynthesis. is a chemical reaction that happens in the chloroplasts of plant cells.


It produces glucose for use by the plant, and oxygen as a waste product. Here are the equations for photosynthesis: O P chloroplast Microscopic structure containing chlorophyl found in green plant cells where photosynthesis takes place. for photosynthesis to happen. respire To engage in respiration - the energy-producing process inside living cells plants carry out respiration as well. Plants respire all the time because their cells need energy to stay alive, but plants can only photosynthesise when they are in the light. The diagrams summarise what this means for the overall release of carbon dioxide or oxygen from plants. Remember that respiration uses oxygen and produces carbon dioxide.

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