EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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Chapter 25, Problem 1CT
The map below shows the availability of direct solar energy in North America. Some areas are good candidates for solar heating systems and use of solar cells to produce electricity (see legend). What is the potential for using more solar energy where you live?
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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 are Coal Power and Renewable Energy? Which type of energy is more polluting? Why are we still using coal power? Which type of power are we using more of? What other interesting facts are there about this industry? How and why does the government protect this industry?
Chapter 25 Solutions
EBK HUMAN BIOLOGY
Ch. 25 - Describe at least two ways that human activities...Ch. 25 - Prob. 2RQCh. 25 - Describe the greenhouse effect. Make a list of...Ch. 25 - Prob. 4RQCh. 25 - Prob. 1SQCh. 25 - Prob. 2SQCh. 25 - Prob. 3SQCh. 25 - Greenhouse gases ________. a. slow the escape of...Ch. 25 - All the following are renewable energy sources...Ch. 25 - Prob. 6SQ
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- All the following are renewable energy sources except ______. a. hydropower b. wind c. natural gas d. solar energyarrow_forwardA cycle diagram is a variation on the process diagram in which the process repeats itself. So it's a good idea to make that point in your answer. The diagram below illustrates the carbon cycle in nature. Write a 150-word description of this diagram for a university lecturer. Sunlight Auto and CO2 cycle factory emissions Photosynthesis Plant respiration Animal respiration Organic carbon Decay organisms Root Dead organisms and waste products respiration Ocean Fossils and fossil fuels uptakearrow_forwardIn a corn field in Oklahoma, the net primary productivity is 150 grams/m2/day and the respiration loss is 33.3 percent. The insolation energy is 950 calories/cm2/day and one gram of corn is equivalent to 1700 calories. Find the gross productivity of the corn. Using the NPP, calculate the efficiency of photosynthesis for the corn.arrow_forward
- Define what photosynthesis is How to eradicate or lower GLOBAL WARMING by using process photosynthesis in a practical way. Give examples and suggestions on what we can do. The methods to lower global warming Sourcesarrow_forwardResearchers have developed a biofuel that is an alcohol-based gasoline alternative made from non-food resources such as algae. The biofuel can be combined with gasoline to increase the energy outputs in automobile engines. How will the use of biofuel change how humans use energy resources? Biofuel will decrease the use of gasoline in the automobile industry, decreasing the need for nonrenewable energy resources. Biofuel will decrease the production of algae in the automobile industry, decreasing the need for nonrenewable energy resources. Biofuel will decrease the amount of fuel for automobiles, increasing the need for renewable energy resources. Biofuel will decrease the number of automobiles sold each year, increasing the need for renewable energy resources. Finish O v i 12:56 hp & 8. 9-arrow_forwardWhat is the availability of wind and solar in Oregon?arrow_forward
- Different types of biomass resources can be converted to three desired formof energy. Show how heat, electricity and fuels can be produced fromvarious biomass resources using different conversion technologies.arrow_forwardDefine the following terms: a. Calvin cycle b. carbon fixation c. C3 metabolism d. C4 metabolism e. rubiscoarrow_forwardIn a field of sugar beets in Georgia, the net primary productivity is 120 grams/m2/day, and the respiration loss is 25 percent. The isolation energy is 800 calories/cm2/day and one gram of beets is equivalent to 2000 calories. Find the gross productivity of the sugar beets. Using the NPP, calculate the efficiency of photosynthesis for the sugar beets.arrow_forward
- The chlorophyll in photosynthesis is used for: I. Absorbing light II. Breaking down water molecule III. No function IV. Reduction of CO2arrow_forwardOn 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.arrow_forwardA student is creating a model of the carbon cycle on a poster for a project at school. The student has cellular respiration and decomposition as labeled processes, with both of them showing a release of carbon dioxide into t atmosphere. According to the teacher's expectations for the project, the student must model an equal number of processes that sequester carbon out of the atmosphere as well. Which components should the student add to refi the model to include carbon dioxide sequestration? Select ALL that apply. A) B) 9) D) E) the process of photosynthesis occurring in forest plants the process of carbon dioxide dissolution into the ocean water The process of wildfires burning as trees and plants undergo combustion the process of anaerobic digestion of organic materials in rice fields or cow stomachs the process of fossil fuel combustion as coal, oil, and natural gas is used for fuel in energy conversions The long-ago deposited plant and animal remains, now buried, have been…arrow_forward
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