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- The carrying capacity is constant within any defined geographical location. True FalseAnalysts estimate that the global carrying capacity of the earth is about 50 billion people. True FalseHas Havard University reached its carrying capacity given the total population on campus to be 60,000? Total estimated area is 85 sq Kilometres. The carrying capacity is 700/sq km
- Figure 46.8 Why do you think the value for gross productivity of the primary producers is the same as the value for totall heat and respiration (20,810 kcal/ m2/yr)?List three things you could do to reduce your dependence on oil and gasoline. Which of these things do you already do or plan to do?Can you explain the last part of the consumption of berries? I know the fourth level is 0.01% and 100kg biomass but I am not getting those answers. thanks
- The main difference of the exponential growth model and logistic growth model is limit on resources value of specific growth rate having a lag phase stationary and death phasesO False Question 10 Richer countries have dumped waste, including toxic waste into landfills in poorer countries. True FalseGiven the information provided in Box F, how much grasshopper (species iv) production can be expected if primary production is 256478 kj.m-2yr-1. Assume that all primary consumers get equal shares of primary production.
- Some environmentalists support building more nuclear power plants because even though the power plants produce long-lived nuclear waste, the nuclear reactors produce few if any greenhouse gas emissions. True FalseWhich statement does not describe an advantage of using conventional crude oil as an energy source? Medium net energy yield Efficient distribution system Environmental costs included in market price Ample supply for several decades Low land disruptionSince the US has blended more and more ethanol into its gasoline, US production of ethanol has increased through your lifetime, and the data in the chart below basically show this. But production of ethanol in the US dropped slightly in the year Annual World Fuel Ethanol Production (Mil. Gal.) % of World Production Region 2014 2015 2016 2017 2018 2019 54% 30% 5% 3% 16,061 15,800 14,807 7,200 15.936 6,860 1,400 United States 14313 15,413 Brazil 6,760 7,920 8,620 6,760 1377 European Union China 1445 1387 1,430 1,440 84S 900 500 635 813 860 1,050 Canada 510 436 436 470 480 India 85 195 275 210 400 530 2% Thailand 310 334 322 370 390 420 196 Argentina Rest of World 160 211 264 290 290 290 1% 865 391 490 414 549 600 2% Total 25.083 25,774 26,182 26,810 28,570 29,100