___ is the cellular process where organisms on land and in water give off carbon dioxide as they......?????
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Just think--in the time it took you to log on, type that question and wait for an answer, you could've done your own research on an astoundingly simple question and actually learned something for yourself.\n\nWow.  \nI guess there's always some sucker you can rely on to do your homework for you for the possibility of getting some meaningless points, huh?\nWow.
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the phenomenon involved is Photosynthesis and Chemosynthesis.\nThe mode of nutrition involving  synthesis of organic substances mainly in the form of carbohydrates from inorganic substances  utilizing sunlight or any other source of light as energy source and CO2 as the carbon source and  H2O or H2S as teh Hydrogen and electron source is called the Photoautotrophic mode of nutrition.. examples  include all plants , algae, and cyanobacteria.\nChemoheterotrophs are those organisms that obtain energy from inorganic compounds but carbon is organic to form organic  substances like sulphur bacteria and hydrogen bacteria
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Animals inhale oxygen and exhale carbon dioxide. Green plants are the only plants that produce oxygen and make food, which is called photosynthesis. Photosynthesis means ''putting together with light.'' This takes place in chloroplasts, which have chlorophyll in them. Chlorophyll absorbs the sunlight. From sunlight, green plants combine carbon dioxide and water to make sugar and oxygen. Green plants use sugar to make starch, fats, and proteins. There are tiny pores called stomota. Oxygen and carbon dioxide enter and leave through the stomata.\nhttp://library.thinkquest.org/3715/photo3.html\n\nImportance of Photosynthesis\n\nAnimals and plants both synthesize fats and proteins from carbohydrates; thus glucose is a basic energy source for all living organisms. The oxygen released (with water vapor, in transpiration) as a photosynthetic byproduct, principally of phytoplankton, provides most of the atmospheric oxygen vital to respiration in plants and animals, and animals in turn produce carbon dioxide necessary to plants. Photosynthesis can therefore be considered the ultimate source of life for nearly all plants and animals by providing the source of energy that drives all their metabolic processes.
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Photosynthesis is the process by which plants convert carbon dioxide and water to glucose for energy. It takes place in the cholorplasts of the cell, which contain chlorophyll. There are two parts to photosynthesis, the light reactions, and the dark reactions, or the Calvin cycle. In the light reactions, light energy triggers electrons to form ATP and NADPH from ADP and NADP through the electron transport chain. This part also takes water and releases oxygen.\n\nIn the calvin cycle, RuBP uses carbon dioxide to create glucose, which is the energy the plant needs to function. \n\nThe products released from photosynthesis are water and oxygen.
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Yeast is an organism that metabolizes sugar much the same way you do and produces carbon dioxide.  This carbon dioxide forms bubbles in liquids or dough.  A yeast colony will typically deplete its growth medium of oxygen, (as in the case of bread making or beer making) and use an organic terminal electron acceptor producing alcohol.
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Photosynthesis is the process of converting light energy to chemical energy and storing it in the bonds of sugar. This process occurs in plants and some algae (Kingdom Protista). Plants need only light energy, CO2, and H2O to make sugar. The process of photosynthesis takes place in the chloroplasts, specifically using chlorophyll, the green pigment involved in photosynthesis. \n\nPhotosynthesis is the process by which plants, some bacteria, and some protistans use the energy from sunlight to produce sugar, which cellular respiration converts into ATP, the "fuel" used by all living things. The conversion of unusable sunlight energy into usable chemical energy, is associated with the actions of the green pigment chlorophyll. Most of the time, the photosynthetic process uses water and releases the oxygen that we absolutely must have to stay alive. Oh yes, we need the food as well!\n\nWe can write the overall reaction of this process as: \n\n6H2O + 6CO2 ----------> C6H12O6+ 6O2\nMost of us don't speak chemicalese, so the above chemical equation translates as:\n\nsix molecules of water plus six molecules of carbon dioxide produce one molecule of sugar plus six molecules of oxygen\n\n\nDiagram of a typical plant, showing the inputs and outputs of the photosynthetic process. Image from Purves et al., Life: The Science of Biology, 4th Edition, by Sinauer Associates (www.sinauer.com) and WH Freeman (www.whfreeman.com), used with permission.\n\nLeaves and Leaf Structure | Back to Top\nPlants are the only photosynthetic organisms to have leaves (and not all plants have leaves). A leaf may be viewed as a solar collector crammed full of photosynthetic cells.\n\nThe raw materials of photosynthesis, water and carbon dioxide, enter the cells of the leaf, and the products of photosynthesis, sugar and oxygen, leave the leaf.\n\n\nCross section of a leaf, showing the anatomical features important to the study of photosynthesis: stoma, guard cell, mesophyll cells, and vein. Image from Purves et al., Life: The Science of Biology, 4th Edition, by Sinauer Associates (www.sinauer.com) and WH Freeman (www.whfreeman.com), used with permission.\n\nWater enters the root and is transported up to the leaves through specialized plant cells known as xylem (pronounces zigh-lem). Land plants must guard against drying out (desiccation) and so have evolved specialized structures known as stomata to allow gas to enter and leave the leaf. Carbon dioxide cannot pass through the protective waxy layer covering the leaf (cuticle), but it can enter the leaf through an opening (the stoma; plural = stomata; Greek for hole) flanked by two guard cells. Likewise, oxygen produced during photosynthesis can only pass out of the leaf through the opened stomata. Unfortunately for the plant, while these gases are moving between the inside and outside of the leaf, a great deal water is also lost. Cottonwood trees, for example, will lose 100 gallons of water per hour during hot desert days. Carbon dioxide enters single-celled and aquatic autotrophs through no specialized structures.\nVirtually all oxygen in the atmosphere is thought to have been generated through the process of photosynthesis. Obviously, all respiring organisms (including plants) utilize this oxygen and produce CO2. Thus, photosynthesis and respiration are interlinked, with each process depending on the products of the other. The global amount of photosynthesis is on the order of a trillion kg of dry organic matter produced per day, and respiratory processes convert about the same amount of organic matter to CO2. A large part (probably the majority) of photosynthetic productivity occurs in open oceans, mostly by oxygenic prokaryotes. Without photosynthesis, the oxygen in the atmosphere would be depleted within several thousand years. It should be emphasized that plants respire just like any other higher organism, and that during the day this respiration is masked by a higher rate of photosynthesis.
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Carbon Dioxide and Water
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In Photosynthesis, plants use the sun's energy as light to transform carbon dioxide and water into glucose.  In cellular respiration,  glucose is ultimately broken down to yield carbon dioxide and water, and the energy from this process is stored as ATP molecules.
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The sum of the chemical reactions that take place within each cell of a living organism and that provide energy for vital processes and for synthesizing new organic material.\n\nMy Adice to you: You seem to be doing a researh of some scientific sort. I recommend you take advantage of the internet which could help you in this regard. Try accessing an online Encyclopedia.\n\nGood Luck!
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co2 is combined with water(h2o) and light to make glucose(c6h12o6), for food. This is a little simplified.
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..........................\nPhotosynthesis - Plants\n\nPhotosynthesis (photo=light, synthesis=putting together), generally, is the synthesis of sugar from light, carbon dioxide and water, with oxygen as a waste product. It is arguably the most important biochemical pathway known; nearly all life depends on it. It is an extremely complex process, comprised of many coordinated biochemical reactions. It occurs in higher plants, algae, some bacteria, and some protists, organisms collectively referred to as photoautotrophs.\n\nCellular respiration - animal, human(Darwin-so included), plants also when there is no light!\n\nCellular respiration is the process in which the chemical bonds of energy-rich molecules such as glucose are converted into energy usable for life processes. Oxidation of organic material—in a bonfire, for example—is an exothermic reaction that releases a large amount of energy rather quickly. The equation for the oxidation of glucose is:\nC6H12O6 + 6O2 → 6CO2 + 6H2O + Energy released (2830 kJ mol−1)\n\nIn a fire there is a massive uncontrolled release of energy as light and heat. Cellular respiration is the same process but it occurs in gradual steps that result in the conversion of the energy stored in glucose to usable chemical energy in the form of ATP. ATP is known as the universal currency because when the phosphoanhydride bonds in ATP are hydrolyzed in an exergonic reaction, the energy yield is 30kJ per mole under standard conditions. Waste products (CO2 + H2O) are released through exhaled air, sweat and urine.\n............................
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Aerobic Respiration\nI  INTRODUCTION \n\nAerobic Respiration,  biochemical process in living things whereby sugars and similar substances, resulting from the digestion of food, are broken down in the presence of oxygen to produce water, carbon dioxide, and energy. "Aerobic" means "with oxygen". The reaction can be represented by the general chemical equation \n\nC6H12O6 + 6O2 → 6CO2 + 6H2O + energy\n\n\nIn words, sugars and oxygen react together to produce carbon dioxide and water with the release of chemical energy. In biology, the term “respiration” is also used for the physical process of breathing in animals, and for the general chemical process in animals, plants, and microbes of obtaining oxygen from the surrounding air or water. To distinguish from these, the biochemical processes of aerobic respiration and the closely related anaerobic respiration are sometimes termed “cellular respiration” (see Metabolism).\n\nII  CHEMICAL RESPIRATION AND ENERGY \n\nAll living organisms require energy to carry out life processes such as bodily growth, repair, and reproduction. This energy is obtained by chemically breaking the energy-rich bonds in organic “fuel molecules”, usually sugars and similar carbohydrates, which are obtained from digested food. In cells, this energy is transferred to molecules of adenosine diphosphate (ADP), which are converted in the process to adenosine triphosphate (ATP). These high-energy ATP molecules are the main immediate source of useable energy for cell activities.\n\nIII  TWO STAGES OF AEROBIC RESPIRATION \n\nThe whole process of aerobic respiration contains more than 20 chemical steps or stages. The first series of stages is known as glycolysis. This occurs in the jelly-like cytoplasm of the cell, and it is anaerobic—that is, it does not require oxygen. It releases only a small proportion of the total energy available from a fuel molecule of glucose or a similar sugar. (The second series of stages is known as the citric acid cycle, tricarboxylic acid cycle, or Krebs cycle. It is aerobic—that is, it requires oxygen. It releases far more energy, compared to glycolysis, from the remainder of each sugar molecule. This series of stages happens inside the tiny organelles (parts inside the cell) called mitochondria. The food molecule is broken down in a step-by-step process that produces ATP molecules at almost every stage.\n\nIV  PRODUCTS OF AEROBIC RESPIRATION \n\nIf one molecule of a sugar such as glucose is broken down completely during aerobic respiration, it yields 38 molecules of high-energy ATP. Up to eight of these come from the first, anaerobic stages (glycolysis). The other 30 are obtained from the second, aerobic or oxygen-requiring stages of the Krebs cycle.\n\nAlmost all organisms, including plants, animals, fungi, and bacteria, use aerobic respiration. It is the reason that we and other animals breathe or respire, to obtain oxygen from air. However, some simpler organisms and cells can respire anaerobically when oxygen is absent. A few organisms, such as microbes at the bottom of the deep sea, are unable to respire aerobically at all. These are known as obligate anaerobes.\n\nAnaerobic Respiration\nI  INTRODUCTION \n\nAnaerobic Respiration, also called anaerobiosis, biochemical process in living things whereby sugars and similar substances, resulting from the digestion of food, are broken down to release energy in the absence of oxygen. "Anaerobic" means "without oxygen". It thus differs from the allied process of aerobic respiration, which requires the presence of oxygen. Life processes such as growth and repair of tissues require energy, and this is obtained by the chemical breaking of bonds in organic molecules such as sugars and other carbohydrates present in digested food. The chemical energy released by this process in cells is transferred to molecules of adenosine diphosphate (ADP), which become converted to adenosine triphosph
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When a plant (a collection of cells) metabolizes and goes through its respiration, it requires carbon dioxide. It gives off oxygen as a by-product.\n\nWhen an animal (a collection of cells also) metabolizes and goes through respiration, it requires oxygen and gives off carbon dioxide.
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cellular respiration occurs in the presence of oxygen.\nit involves glycolysis and then the krebs cycle and then the electron transport chain.\nte end product of the whole process is the synthesis of ATP which is the energy used in most cellular work. \n\nthat's as simple and general as i can put it. look it up on the net if you need more info. lotsa websites out there.
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7 - B.  The typical diamater of a cell is 10 micrometers.\n\n8 - A.  An enzyme is a catalyst, which means it lowers the activation energy of the reaction, causing it to proceed faster.  The enzyme may react briefly with the reactants, but is not consumed in the reaction (i.e. there's the same amount of enzyme at the end as there was before the reaction started).\n\n9 - C. Plants use energy from the sun and carbon from carbon dioxide to make glucose.  They also need water to supply electrons in an early stage of photosynthesis.\n\n10 - B.  I'm not sure "by-product" is quite the right word as it is the desired product, but ATP is the only one of those four compounds during any stage of celluar respiration.  Starch can be broken down into glucose, and glucose is the sugar that is burned during cellular respiration.  Chlorophyll is found in plants and is involved in photosynthesis, but has no role in cellular respiration.
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Plants.\n\nThey breathe in CO2 and breathe out Oxygen
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Photosynthesis, Respiration, Acid Rain, Carbon Cycle, Nitrogen Cycle, Ozone, Methanol, Carbonic Acid...\n\nThe sources listed are very good, some may be over your head, but, look them over.