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In relation to energy transfer in ecosystem,explain the statement"10kg of deer's meat is equivalent to 1kg of lion's flesh".
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- How can estimation of energy flow from plant to herbivore be correlated to laws of thermodynamics?On a maize farm in Ethiopia, the insolation energy is 5,654,875 calories/m^2/day. The gross productivity of the rice is 0.02742g/cm^2/day, and 35% of the energy is lost due to respiration. There are 4000 calories in 1 gram of maize. Calculate the net primary productivity of the maize and the efficiency of photosynthesis of maize. Show work below.In this scenario, the lizards eat the ants, and the ants eat seeds. A common predator of Texas horned lizards are hawks, among other animals. For each of the species in the chain (seeds, harvester ants, lizards and hawks), list whether they are an autotroph or heterotroph. Explain where each species gets its energy. What is the chemical reaction for photosynthesis and cellular respiration? Which of the species in the chain (seeds, harvester ants, lizards and hawks) has the most biomass?
- The energy flow in the ecosystem follows the second law of thermodynamics.Explain.In a Kansas wheat field, the insolation energy is 5,750,000 calories/m2/day. The gross productivity of the wheat is 0.038 grams/cm2/day, and the respiration loss is 22 percent. One gram of wheat is equivalent to 850 calories. Calculate the net primary productivity of the wheat. Find the efficiency of photosynthesis by the wheat.What is the primary and secondary chemical energy generated and where? (In regards to photosynthesis)
- What is meant by energy flow in an ecosystem? What are the laws of thermodynamics?Identify the future prospects of energy from waste, especially in the prevailing post COVID scenario? Hint: The amount of hospital waste and other hazardous waste has increased significantly. Propose a solution to dispose (incinerate) waste safely on a small (household) and large (hospital/ city) level. 2Photosynthesis is an endothermic reaction because it uses solar energy to build glucose molecules. Rubisco, an enzyme found in plants, is critical to this process. How does the presence of rubisco affect the change in free energy consumed or produced by the reactants and products? The presence of rubisco increases the free energy produced by the reactants, but the free energy consumed by glucose stays constant. The presence of rubisco increases the free energy consumed by glucose, but maintains the free energy produced by the initial reactants. The presence of rubisco decreases the energy required for activation in the transition state and increases the free energy consumed by glucose. The presence of rubisco decreases the energy required for activation in the transition state, but the change in the free energy of the reactants and products remains constant.
- Burning biomass to produce electricity avoids many of the problems associated with gathering, refining, transporting, and burning fossil fuels. Yet the use of biomass as fuel is not without its own set of problems. What challenges might arise from a large-scale conversion to biomass energy? How do these challenges compare with those encountered with fossil fuels? Which set of challenges do you think is more likely to be overcome? Does one energy source have more benefits and fewer costs than the others? Explain.Suppose that you are measuring CO2 exchange by a leaf. During the time period of your measurement, 1.10E+7 molecules of glyeraldehyde phosphate (PGAL) are made from CO2 in photosynthesis and 4.00E+6 molecules of glucose are used in cellular respiration. How many net molecules of CO2 would you detect being taken up by the leaf in your measurement?State the second law of thermodynamics and apply it to the energy transfer from a trophic level to the next higher trophic level in a food chain.
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