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Ecology and Evolution: Population Dynamics, Species Interactions, and Ecological Concepts - Document preview page 1

Ecology and Evolution: Population Dynamics, Species Interactions, and Ecological Concepts - Page 1

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Ecology and Evolution: Population Dynamics, Species Interactions, and Ecological Concepts

A quiz on ecology and evolution, focusing on population dynamics, species interactions, and ecological concepts.

Elizabeth Chen
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Ecology and Evolution: Population Dynamics, Species Interactions, and Ecological Concepts - Page 1 preview imageEcology and Evolution: Population Dynamics, Species Interactions, andEcological ConceptsQuiz 5YOUR NAME:This quiz will earn you up to 50 points.The deadline for submission is Sunday, March 3.I.Multiple choice: Pleaseboldthe correct response: (1 pt. each=18 pts.)(1) A reproductive isolating mechanisma.Might prevent matingb.Might act by preventing hybrids from producing fertile offspringc.Might not prevent mating but might prevent fertilizationd.Might prevent potential mates from ever encountering each othere.All of the above are trueAnswer:e.All of the above are true(2) Speciation may arise from the evolution of different courtship displays and dances.This is an example ofa.Mechanical isolationb.Reduced hybrid viabilityc.Hybrid sterilityd.Behavioral isolatione.Sexual selectionAnswer:d.Behavioral isolation(3) Innate behaviors differ from learned behaviors in thata.Innate behaviors require practice, learned behaviors do not
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Ecology and Evolution: Population Dynamics, Species Interactions, and Ecological Concepts - Page 2 preview image
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Ecology and Evolution: Population Dynamics, Species Interactions, and Ecological Concepts - Page 3 preview imageb.Innate behaviors are performed the same way every time, whereas learned behaviors can beshaped by experiencec.Innate behaviors are controlled exclusively by genes, whereas learned behaviors are controlledexclusively by environmentd.Innate behaviors are instinctive, whereas learned behaviors are genetically programmed actionsAnswer:b.Innate behaviors are performed the same way every time, whereas learned behaviorscan be shaped by experience(4) The main thrust of the “nature vs nurture” dichotomy isa.The importance of genes vs environmental influences on behaviorb.The degree to which behavior is innate or learnedc.The role of mating rituals in human behaviord.The importance of insight vs instinct in behaviore.a. and b. are correctAnswer:e.a. and b. are correct(5) Within an ecosystem, each organism has a _____, an area in which it resides. Eachorganism plays a role within the ecosystem, which is ______.a.Community / habitatb.Habitat / nichec.Fundamental niche / realized niched.Climax community / biotic communityAnswer:b.Habitat / niche(6) Which of the following would be considered a community-level ecologicalinteraction?
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Ecology and Evolution: Population Dynamics, Species Interactions, and Ecological Concepts - Page 4 preview imagea.symbiosisb.successionc.predationd.coevolutione.competitionf.all of the aboveAnswer:f.all of the above(7) Which of the following is a question that a population ecologist might ask?a.How does the composition of species in a community change over time?b.How does carbon flow through the ecosystem?c.Do members of two different species compete for food?d.What factors determine the distribution and abundance of organisms?e.How does the age structure of a population affect its growth rate?f.d. and e.Answer:f.d. and e.(8) Density-independent factorsa.affect population growth only when population size is smallb.affect mortality regardless of the population sizec.alter the survivorship curve of a populationd.affect population growth only when population size is largee.cause death rate to be greater than birth rate even when the population is smallAnswer:b.affect mortality regardless of the population size
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