BSC2011 Exam 3 - Fall 2009 Version A Supplemental...

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Fall 2009 Version A Supplemental Instruction: BSC 2011 Exam 3 1) Animals that help other animals of the same species are expected to A) have excess energy reserves. B) be bigger and stronger than the other animals. C) be genetically related to the other animals. D) be male. E) have defective genes controlling their behavior. 2) A female cat in heat urinates more often and in many places. Male cats congregate near the urine deposits and fight with each other. Which of the following is a proximate cause of this behavior of increased urination? A) It announces to the males that she is in heat. B) Female cats that did this in the past attracted more males. C) It is a result of hormonal changes associated with her reproductive cycle. D) The female cat learned the behavior from observing other cats. E) All of the above are ultimate causes of behavior. 3) Which of the following levels of organization is arranged in the correct sequence from most to least inclusive? A) community, ecosystem, individual, population B) ecosystem, community, population, individual C) population, ecosystem, individual, community D) individual, population, community, ecosystem E) individual, community, population, ecosystem 4) The sum total of an organism's interaction with the biotic and abiotic resources of its environment is called its A) habitat. B) logistic growth. C) biotic potential. D) carrying capacity. E) ecological niche. 5) According to the small-population approach, what would be the best strategy for saving a population that is in an extinction vortex? A) determining the minimum viable population size by taking into account the effective population size B) establishing a nature reserve to protect its habitat C) introducing individuals from other populations to increase genetic variation D) determining and remedying the cause of its decline E) reducing the population size of its predators and competitors 6) Which of the following groups would be most likely to exhibit uniform dispersion? A) red squirrels, who actively defend territories B) cattails, which grow primarily at edges of lakes and streams C) dwarf mistletoes, which parasitize particular species of forest tree D) moths in a city at night E) lake trout, which seek out deep water 7) Landscape ecology is best described as the study of A) the flow of energy and materials between the biotic and abiotic components of an ecosystem. B) how the structure and function of species enable them to meet the challenges of their environment. C) what factors affect the structure and size of a population over time. D) the interactions between the different species that inhabit and ecosystem. E) the factors controlling the exchanges of energy, materials, and organisms among ecosystem patches. 8) Which of the following best describes resource partitioning?
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This note was uploaded on 03/30/2010 for the course BSC BSC2011 taught by Professor Evans during the Spring '10 term at École Normale Supérieure.

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BSC2011 Exam 3 - Fall 2009 Version A Supplemental...

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