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- Question 45 is based on the following picture. 36 USF Reprinted with permission from Popular Science magazine, ©2000, Times Mirror Magazines, Inc. 45. Stuart Wilkinson, the engineer of "Chew- Chew" said, "we stole the idea of eating food from the biological world, but we are marrying that idea to useful robotic capabilities." Which of the following would not be an application of Stuart Wilkinson's theory? A. A leaf mulcher that feeds on foliage B. a trash compactor that feeds on garbage C. a lawn mower that feeds on grass w Wiclippings D. a garden cultivator that feeds on soil E. a recycling truck that feeds on petroleum WOT ertgin 8 not IrtpinQuestion 1: Suppose the biological growth for a fishery species is given by the equation F (X) = aX − bX2, where X is the biomass of the fish stock, and a and b are ecological parameters, assumed to be constant. (a) Define the concept ‘maximum sustainable yield’, and illustrate its location graphically for the provided biomass function, and derive its analytical value. (b) Again sketch the growth function F(X). Now choose a level of harvest and corresponding steady-state size of the population. Briefly discuss how this chosen level of the harvest will impact the stock of the fish species.Question 5 What major workplace health hazard category would a virus like the COVID-19 Pandemic be classified under? O chemical O ergonomic O physical O biological Question 6 What is the name of the pay-for-performance plan that attempts to motivate teamwork. Also this pay- for-performance type involves employees in a plan to help reduce cost, and this gain would be shared with employees according to a predetermined formula? O gain share O commission O goal share O piece work
- Question 7: Why is it that wild bison populations were hunted nearly to extinction, yet cattle populations remain high? What is the crucial difference?Question 3: Based on Lotka-Volterra's models, you should be able to change just 1 parameter of your experiment (N₁, N2, K₂, K₁) and change the outcome of question 1. 1. State which parameter you would choose to change and how you will change it. That you could increase №₁ is: II. How does changing this parameter alter the outcome? (i.e. What is the new outcome? - Do you go from 1 always species winning to coexistence? from stability to instability? coexistence to 1 species always winning? from species 1 wins to species 2 wins) III. Using concepts of interspecific, intraspecific competition and/or carrying capacity, explain why you think changing your parameter changed the outcome?QUESTION 14 According to the conceptual model of optimal foraging, as cumulative energy investment in foraging increases at a constant rate, total energy obtained eventually plateaus. True False
- QUESTION 8 "Optimal behavior is the maximum value, given:" (A) Benefit - cost (B) Cost - benefit (C) Benefit * (D) Benefit / costQuestion: What does McWilliams mean by "perverse" subsidies? Define and/or illustrate with an example. Draw a connection between perverse subsidies and the externalized costs (negative externalities) that we discussed in a previous module. This is the previous module: (Week 2: In an economic transaction between a producer and a consumer, an externalized cost or (negative) externality is a cost to someone who is not involved in the transaction. For example, the consumer doesn't pay for it, and the producer doesn't pay for it. Joel Salatin alludes to this concept when he talks about food that is not “honest.” List three externalized costs associated with food production (and consumption), and try to identify the third part(ies) likely to pay for each. Which cost on your list concerns you the most? This course benefits greatly from interaction and community building, so feel free to "like" and/or comment on your classmates' entries. For this discussion in particular, you may be better…QUESTION 2: Population size One weekend in early July, a total of 154 Marbled White butterflies were captured and marked before being released. The following weekend, the butterfly traps captured another 87 butterflies, but only one was marked. a) Based on these data, estimate the butterfly population size (show your workings in full). b) Estimate the population size if, instead of one, the number of marked butterflies was: i) 2 ii) 10 iii) 25 You do not need to show your workings for this part. c) Would all of these results give equally accurate estimates of population size? Explain your reasoning. d) The following year, the researcher returned to the same spot, on the same July weekend in order to evaluate whether the butterfly population size was similar year-on-year. This time, however, the recapture phase occurred only three days after marking. Do you think this would affect the accuracy? Explain your answer fully.
- QUESTION 44 Which approach to business is least ecologically minded? a. mimic nature b. reduce poverty c. sell more things instead of services d. use full-cost pricing e. use eco-labels on productsQUESTION 10 "Considering optimal foraging theory and the formula S1 > (E1*h2/E2) - h1, what are the ecological implications for a consumer when S1 > crtical value?" For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). I Paragraph Arial 10pt := v A 三 =三三 x? X2 יי EX: 田用图 Ť {;} +1 B.QUESTION 28 Countries that are considered less-developed have more land that is protected from development than other countries, where development prevents the protection of land. True False