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Importance of photosynthesis
Importance of photosynthesis
Carbon dioxide effects on the environment
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Photosynthesis, undoubtedly, is one of the most beneficial chemical reactions, for one simple fact. It keeps us alive. It is a simple, unassuming reaction, 6 CO2+ 6 H2O → C6H12O6+ 6 O2. So, it is just carbon dioxide and water reacting and turning into glucose and oxygen. “But,” you may ask, “Why is it so important?” It is because it takes our used air (CO2) and turns it back into the air we breathe (O2). Photosynthesis also turns our extra carbon dioxide into oxygen, reducing global warming's effects. Oxygen in the atmosphere keeps it at a stable pressure. It also can react with itself to create ozone, keeping UV-A and B rays from burning our skin. It also, in the atmosphere, reacts with other elements to oxidize and keep ratios of elements the same in the atmosphere. Also, oxygen destroys methane, which is one of the most powerful greenhouse gases. Oxygen in the atmosphere also promotes growth of all animals or keeps them small, so we don't have huge cockroaches and spider-like insects like the when the dinosaurs existed. …show more content…
Now, every human uses ~24 metric tons of O2 a year, and let’s say that the population hovers around seven billion people. That gives us about 168,000,000,000 tons of O2 not being replenished a year, at an optimistic estimate. 1,068,000,000,000,000 tons of O2 are in the atmosphere currently. At 17% O2, anoxia occurs, which causes organ and brain damage. So, if no other animals existed besides humans, it would take 445 years for all oxygen to be depleted. But, factoring in all biomass, it would take less than one hundred years for almost all humans to die. The first signs would be dizziness and confusion, following by sickness, ending in death. This process would be dragged out, torturing everything on Earth until they
First of all, I want to talk about photosynthesis, which is the process of plants making their own food in the presence of light. In plants a chemical reaction that involves taking in carbon dioxide from our atmosphere and through the process of cellular respiration it releases oxygen, which all living things need to survive. It’s a circle of life and it very well could produce a natural balance in the atmosphere, which would not in fact
Experiment #1: The purpose of this experiment is to investigate the effects of baking soda and light intensity on the rate of photosynthesis of green spinach leave through the observation of floating disk.
Photosynthesis is a cycle that only plants are able to do. Energy is used when a person physical activities. All energy living things use comes from the sun. Photo means “light” and synthesis means “putting together”. Photosynthesis is the process by which a cell captures the energy in sunlight and uses the energy to make food. Cells need energy in order to carry out their
“Fermentation occurs in fruits, bacteria, yeasts, fungi, as well as in mammalian muscle”(Biology Online, 2008, p. xx-xx) . “Yeasts were discovered to have connection with fermentation as observed by the French chemist, Louis Pasteur” (Biology Online, 2008, p. xx-xx). “Pasteur originally defined fermentation as respiration without air” (Biology Online, 2008, p. xx-xx). “However, fermentation does not have to always occur in anaerobic condition” (Biology Online, 2008, p. xx-xx). “Yeasts still prefer to undergo fermentation to process organic compounds and generate ATP even in the presence of oxygen” (Biology Online, 2008, p. xx-xx). “However, in mammalian muscles, they turn from oxidative phosphorylation (of cellular respiration) to fermentation when oxygen supply becomes limited, especially during a strenuous activity such as intensive exercising” (Biology Online, 2008, p. xx-xx).
The evidence that humans are affecting the oxygen cycle is that in 2012 there was an estimated 21.3
Photosynthesis is chemical process in which plants capture energy from the sun, through components called chlorophyll, and use carbon dioxide (CO2) and water (H2O) to then convert the sunlight into glucose (C6H12O6). The byproducts of the reaction are oxygen and water. Although it is mostly thought of as a chemical process, a lot
Atmosphere: The Earth has one of the most versatile atmospheres because of the way the solar system here picks up water and carries it around the Earth for redistribution. We have a thick atmosphere that consists mostly of oxygen and nitrogen that helps plants and animals survive so well here on Earth. We also have a "greenhouse effect" that warms our atmosphere and it's surface.
Photosynthesis in Relation to Light, Temperature and Water Light has three principal characteristics that affect plant growth: quantity, quality, and duration. Light quantity refers to the intensity or concentration of sunlight and varies with the season of the year. The maximum is present in the summer and the minimum in winter. The more sunlight a plant receives (up to a point), the better capacity it has to produce plant food through photosynthesis. As the sunlight quantity decreases the photosynthetic process decreases.
The Atmosphere surrounding the earth is a mechanical mixture of gases. The most important of these gases are oxygen, nitrogen, and carbon dioxide. Oxygen is the essential element for life. It is odorless, colorless, tasteless, and slightly heavier than air. The chief commercial source of oxygen is the atmosphere. Oxygen may be separated from the mixture of gases that make up the atmosphere. This is done by physical means by subjecting air to very high pressures and low temperatures until a point is reached where it passes form the gaseous into the liquid state. Than the liquid is introduce to some warm, so that nitrogen, which has a lower boiling point then oxygen, evaporates off. Oxygen as first prepared by heating certain metals oxides, including mercury oxide.
But the sun is not our enemy, if it weren’t for that big ball of burning gas there would be no life on this planet at all. We need its heat, its light, and its energy. Without these our planet would be frozen over like a big ice cube and there would be no signs or traces of life ever. In total amount the sun provides about 2 pounds of energy to us every day. Yes, that’s right only 2 pounds. The sun evaporates water from the earth’s lakes, streams, and rivers. It also heats the earth and cools the earth at the same time. Without the Earth’s atmosphere to protect us from the sun’s ultraviolet rays we would be toast. This is kind of how the greenhouse effect takes place. The greenhouse effect is when the atmosphere of the earth traps heat from the sun and lets sunlight heat plants, yet prevents much of the heat from getting out. In a similar way, the atmosphere lets sunlight through to the surface of the earth. The sunlight warms the earth, but the heat that created cannot easily pass back through the atmosphere into space.
Humans and animals breathe out Carbon Dioxide, often referred to as the greenhouse gas, as a waste product. Plants take in this CO2 and use it to make food. This is called photosynthesis. During this process oxygen is released which is then breathed in by humans and animals. This procedure is repeated over and over and a natural balance is obtained. However this natural balance is disrupted by human activity. People of the world are putting more than 5.5 billion tons of CO2 into the atmosphere every year. 75% of this is caused from the burning of fossil fuels. These fuels are burnt all the time to run factories, power plants and vehicles. The main sources of CO2 emissions are electric utilities, residential buildings, industry and transportation. The other 25% is induced by the destruction of the world's forests. The reason for this is that there are less trees and plants to take in the CO2 but there is just as many, if not more, humans and animals to breathe it out.
We as a society should take care of our environment. We can recycle more, stop using harmful gases to produce the luxury that we take for granted, shelter the trees, get rid of cigarettes, use solar energy to power our houses, and clean up the garbage on the streets. Going green is the right thing to do, because it not only makes our environment look healthy, but helps us as a human race survive and live longer. Without photosynthesis there is no earth, we have take care of our environment not because it is the right thing to do, but just as we depend on photosynthesis for life, photosynthesis depend on us to survive!
Photosynthesis is the process in which living cells from plants and other organisms use sunlight to produce nutrients from carbon dioxide and water, the image below “Diagram of photosynthesis 1,” helps show this process. Photosynthesise generally creates oxygen as a by-product through the use of the green pigment, chlorophyll, found in the plant that helps this reaction occur. “Photosynthesis provides us with most of the oxygen we need in order to breathe. We, in turn, exhale the carbon dioxide needed by plants,” (factmonster,2017). This is able to show us why photosynthesis is so greatly needed to occur through plants in order to give one another essentials needed for continuity of life. “Plants perform photosynthesis because it generates the food and energy they need for growth and cellular respiration,” (photosynthesieeducation, 2016).
Photosynthesis consists of two things, Light Dependent Reactions and Light Independent Reactions which both take place inside of chloroplast cells. Photosynthesis is the process in which autotrophs, organisms that make their own food, use sunlight to process their own food. Water, sunlight, and oxygen are all substances that undergo change during photosynthesis and oxygen and glucose are the products of the reactants. Chloroplasts, the cell where photosynthesis takes place, contains thylakoids, the granum, and the stroma.
The atmosphere is an open system that consists of a gaseous mixture enveloping a planet (Answers.com). These gasses, known as air, include O2, N2 and H2O. The atmosphere is also composed of water, ice and dust particles. Atmosphere functions like a blanket, keeping Earth's heat from escaping into space (Lenkeit). It has also been compared to a greenhouse: like glass it lets short wave insulation inside, but keeps most of long wave ground radiation from going out (Lenkeit).