LS7B W22 Practice Final Problems

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University of Notre Dame *

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900

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Philosophy

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Oct 30, 2023

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pdf

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LS7B W22 Practice Final Problems Question # Answer Reasoning 1 B. False Because on the graph we can see it looks like logistic growth where the curve is leveling off at around 5 days , so that must be its carrying capacity so fertilizing more would not increase the biomass anymore 2 A. True 3 B. False False because as the biomass at each trophic level increases then there will be organisms that die, meaning that there will be more food for the decomposers so they will increase 4 A. True I don’t think that distribution means fundamental niche? ^^Re this comment: distribution doesn't inherently show a fundamental niche, but we know that fundamental niches are the spaces that a species can occupy given the absence of competitors…and since there are no competitors in diagram A, we consider that the fundamental niche 5 B. False 6 A. True 7 B. False 8 A. True 9 B. False 10 B. False I mean technically it is possible that the species were misidentified, but we want to talk about the

possible ecological reasons some species weren’t counted, not the human error involved 11 A. True 12 A. True 13 D. none 14 B Directional Directional Professor Pires said in her office hours that because these are two separate populations they would show stabilizing selection, not disruptive 15 A. Stabilizing 16 B. False 17 A. True Although island C and D are the same size, C is closer to the mainland than D is. 18 A. True I put true for this because island C is bigger than A, so there are more resources for species in island C, which means a lower extinction rate? 19 B. False 20 B. False 21 A. True 22 B. False The graph shows that the Great Tit arrival has not changed to coincide with the Caterpillar biomass peak. It does not say anything about the population size of the caterpillars (we could assume that this occurs, but the graph does not actually show this occurring). 23 A. True Since the Great Tit arrival has

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