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- Hypothetical balanced food chain. Sun and Earth supply 6 units of energy to each plant. For higher tropic levels, individuals consume 2 units of energy each before passing the remainder to the next trophic level. The number of individuals in each trophic level is given below. Complete the table below by computing for the number of energy units in each column. Answer the following questions: Discuss how the food chain works. Where does each trophic component or level get its energy (food) from? What is the ultimate source of energy for all components of the food chain? Which component got the highest amount of available energy/individual? Why do members of this component need the most energy?Net primary production is equal to gross primary production minus what? the energy contained in bark and roots the energy used by autotrophs in respiration the energy fixed by photosynthesis solar energy the energy contained in leavesAs scientists research and develop biofuels, they are faced with many tradeoffs. A plant's usefulness for biofuels depends on how much energy can be collected from the plant matter. In addition, growing plants on a large scale requires energy—such as the gasoline and power needed to run tractors and other harvesting equipment or the energy needed to create and distribute fertilizers and pesticides. An efficient biofuel would maximize the ratio of energy output to energy input. The following graph illustrates the results of a 10-year study analyzing three different crops used in biofuel production. The data show how much energy was required to grow each crop on 1 hectare of land (energy input) and how much energy was recovered from the total crop on each hectare of land (energy output). A hectare is a measurement of an area of land and is roughly the same as 2.5 acres. What was the estimated energy input of the grass? A. kcal x 10^6 B. 2kcal x 10^6 C. 8kcal x 10^6
- As scientists research and develop biofuels, they are faced with many tradeoffs. A plant's usefulness for biofuels depends on how much energy can be collected from the plant matter. In addition, growing plants on a large scale requires energy—such as the gasoline and power needed to run tractors and other harvesting equipment or the energy needed to create and distribute fertilizers and pesticides. An efficient biofuel would maximize the ratio of energy output to energy input. The following graph illustrates the results of a 10-year study analyzing three different crops used in biofuel production. The data show how much energy was required to grow each crop on 1 hectare of land (energy input) and how much energy was recovered from the total crop on each hectare of land (energy output). A hectare is a measurement of an area of land and is roughly the same as 2.5 acres. What was the estimated energy input of the grass? A. 2 kcal × 106 B. 4 kcal × 106 C. 8 kcal…The hormone abscisic acid provides advantages to plants in stress conditions by Select one: inhibiting the growth of nearby plants and so reducing competition attracting beneficial predatory insects increasing tolerance to environmental stressEnergy conservation may offer considerable health co-benefits, what are some of the health benefits? what are some pros and cons?
- Sexual vs. Asexual Reproduction: What is one cost to the parent plant of retaining the newly formed offspring on the parent plant until the offspring is established in the ground? The parent plants cost is the energy needed to produce sugar to supply to the developing offspring as the offspring has no source for attaining carbohydrates. The parent plants cost is it needs to supply the offspring with CO2 for photosynthesis. The parent plants cost is the energy to grow more roots so it can supply the offspring with water and nutrients. The parent plant needs to defend the offspring from herbivory. X= A A 10.7591 97 AY9 Week9_ng....xlsx A Week 9 Pre-lab.pdf MacBook Air opy of Lab 9 A....pdfHypothetical balanced food chain. The Sun and Earth supply 6 units of energy to each plant. For higher trophic levels, individuals consume 2 units of energy each before passing the remainder to the next trophic level. The number of individuals in each trophic level is given below. Complete the table below by computing the number of energy units in each columnEthanol from sugarcane has a medium net energy yield, while ethanol from corn has a low net energy yield. Why might this be the case? The energy input for growing corn is lower than that for sugarcane. The energy input for growing sugarcane is lower than that for corn. The EROI for corn ethanol is higher than that for sugarcane. The net energy ratio of corn ethanol is negative. Corn ethanol is not a renewable energy source.
- About half the dry weight of a plant's body is carbon. Where do plants get the carbon? From water From sunlight From dead organic matter in the soil From CO2Answer each part. Hint(a tree is renewable resource that can become nonrenewableHydrogen atoms make up about 6% of the dry mass of plants. Answer True or False for the following Plants get some hydrogen atoms from water. true Plants get some hydrogen atoms from air. true Plants get some hydrogen atoms from sunlight. false v Plants get some hydrogen atoms from soil. true