All organisms, including humans, need energy to fuel the metabolic reactions of growth, development, and reproduction. It makes all living life possible. Nitrate is the form commonly used by plants. Through a series of chemical reactions and tectonic activity, carbon takes between 100-200 million years to move between rocks, soil, ocean, and atmosphere in the slow carbon cycle. Human activities have a tremendous impact on the carbon cycle. . Click the bolded terms (e.g. Direct link to Paarth Tara's post Okay, if the light depend, Posted 5 years ago. Photosynthesis and cellular respiration are complementary biochemical reactions. Have you hugged a tree lately? Photorespiration (article) | Photosynthesis | Khan Academy Direct link to Rick's post The reason for this is si, Posted 7 years ago. By doing so, we move the carbon from the slow cycle to the fast cycle. For this reason, the increase in livestock from the industrialization of agricultural activities over the last century has contributed to global warming. Why is that? Photosynthesis - Carbon dioxide | Britannica Magnification 4: A chloroplast within the mesophyll cell Automobile exhaust has more NO than NO2, but once the NO is released into the atmosphere it quickly combines with oxygen in the air to form NO2. While biomass burning still has a significant impact on the global carbon cycle, human impacts on fluxes such as fossil fuel extraction and combustion continue to grow. However, the demand for animal protein from meat, dairy, and eggs is very large in the United States. Animals get the nitrogen they need by consuming plants or other animals that contain organic molecules composed partially of nitrogen. Thank you! Carbon moves from plants to animals. Carbon dioxide and water are products of this reaction. The growing of crops and the raising of livestock also affects local productivity and biomass, and rates of photosynthesis, respiration, and decay of organic material. These processes are opposite in nature. This is because oxygen production and carbon dioxide uptake are affected by respiration as well as photosynthesis. For example, carbon dioxide is transferred among plants and animals over relatively short time periods (hours-weeks), but industrial agricultural activities have altered livestock biomass over decades to centuries. A further .01% is locked up in fossil fuels bringing the total to 99.96% of all CO2 on earth LOCKED AWAY. Some is buried and will become fossil fuels in millions and millions of years. More-industrialized countries rely very little on slash-and-burn agriculture. In our school, we are doing an experiment where the rate of photosynthesis is being measured using different coloured waters. .0008% Plants and Soil. In fact all the energy we get from food is derived from the energy we get directly from plants or indirectly from animals that ate plants.