Research Project: Mini Proposal Introduction: The objective of the research is to shed some light on the ecological interaction between the foliose lichen‚ Xanthoparmelia tasmanica (Lepp‚ 2011) and the resources and organisms in its environment. This particular species has been observed to grow abundantly only on the south facing side of rocks in the southern hemisphere‚ this might suggest that relatively higher light intensity of north facing rocks is a factor that hinders its growth. However
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change has positive and negative effects on marine and terrestrial ecosystems. The cause of global climate change is said to be because carbon dioxide is being emitted through the large scale burning of oil‚ coal and gas‚ with an additional contribution coming from clearing of tropical forests and woodlands which results in wildlife life destruction. The carbon dioxide traps heat from the sun in the earth’s atmosphere and prevents it from being sent back out into space. The heat that stays trapped
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we find a low-cost‚ carbon-neutral fuel. American chemist Dr. Daniel Nocera has devoted his career to finding this alternative energy source using photosynthesis as his inspiration. Photosynthesis‚ the conversion of solar energy into chemical energy stored in the bonds of glucose‚ is arguably one of the most important chemical reactions on earth. The maintenance of life on earth‚ our food‚ oxygen‚ and fossil fuels depend upon photosynthesis. In this process water and carbon dioxide are converted
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Phytoplankton account for half of all photosynthetic activity on Earth.[2] Thus phytoplankton are responsible for much of the oxygen present in the Earth’s atmosphere – half of the total amount produced by all plant life.[3] Their cumulative energy fixation in carbon compounds (primary production) is the basis for the vast majority of oceanic and also many freshwater food webs (chemosynthesis is a notable exception). Since the 20th century‚ phytoplankton has declined by roughly 1% yearly‚ possibly linked
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permanganate are unstable and their concentration changes slowly from time to time. * In this experiment a standard solution of 0.1 N oxalic acid is used for the standardization KMNO4‚ potassium permanganate oxidizes oxalic acid (C3+) to carbon dioxide (C4-) and water while itself being reduced to Mn2+. Chemicals‚ Glassware‚ Equipment Required: Chemicals: Potassium permanganate‚ ferrous ammonium sulfate (Mohr’s salt)‚ 1M sulfuric acid‚ and 0.1N oxalic acid solution. Glassware: 50ml burette
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algae and some bacteria absorb light energy and use it to synthesize organic compounds. In green plants‚ photosynthesis occurs in chloroplasts‚ that contain the photosynthetic pigments. Photosynthesis occurs by slightly different processes in C3 and C4 plants. Factors which can affect this are the stomata. Plants can regulate the movements of water vapor‚ O2 and CO2 through the leaf surface. This is accomplished by opening and closing the stomata‚ usually found on the bottom
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Vol 454j14 August 2008jdoi:10.1038/nature07190 REVIEWS Genomics of cellulosic biofuels Edward M. Rubin1‚2 The development of alternatives to fossil fuels as an energy source is an urgent global priority. Cellulosic biomass has the potential to contribute to meeting the demand for liquid fuel‚ but land-use requirements and process inefficiencies represent hurdles for large-scale deployment of biomass-to-biofuel technologies. Genomic information gathered from across the biosphere‚ including potential
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(GHGs) like carbon dioxide‚ methane and nitrous oxide through anthropogenic activities. These gases trap the sunlight and increase the earth’s overall temperature. The gases responsible for the global warming are known as Greenhouse Gases (GHGs)‚ which are comprised of Carbon Dioxide CO2‚ Chlorofluorocarbons CFCs‚ Methane CH4‚ Nitrous Oxide N2O and water vapors. These gases are produced by a number of anthropogenic activities. CO2 is mainly produced during the combustion of wastes‚ carbon‚ wood and
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(4) uses of energy in biological processes (B); active transport; muscle contraction; nerve transmission; synthesis; translocation; nitrogen fixation; receptors ENERGY TRANSFERS WHICH TAKE PLACE INSIDE LIVING ORGANISMS Living organisms including all plants and animals require energy for their cellular processes. In biological processes‚ the immediate energy source is often in the form adenosine triphosphate (ATP). The nucleotide ATP maintains both catabolic and anabolic reactions. An example of
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