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Leader: Course: Practice Exam 6 Supplemental Instruction Iowa State University Instructor: Date: 1. Ecology can literally be translated as: a. Study of groups 5. Which of the following is not an influence on a population’s birth rates: b. Study of communities a. Generation time c. Study of house; b. Number of offspring d. Study of populations c. Resting Period d. Matting Rituals 2. Which of the following is not a way a species can be limited? a. Abiotic Factors 6. In the equation :∆N/ ∆ t = B + I - M - E, M stands for? b. Biotic Factors a. Migration c. Dispersal Ability b. Mortality d. Human Expansion Principal c. Motility d. Population rate per month 3. Applied Ecology: a. is the process that organisms go through naturally 7. In reference to survival curves, a type II species survival curve would: b. is prevented because of the Human Expansion Principal a. show a high rate of survival at birth and then show gradual decline over time c. is plans and conservation efforts to limit and repair damage to populations b. show a low rate of survival at birth and then hold constant throughout life till death d. is research on distribution and abundances of species interactions c. is only limited by K d. show a decline that is independent of age and just has a gradual decline 4. Abiotic factors are all things except: a. competitors b. climate c. disease d. periodic disturbances 8. Exponential growth is often achieved in real life populations. a. True a. False 9. Which of the following is not an example of symbiosis: Supplemental Instruction 1060 Hixson-Lied Student Success Center 294-6624 www.si.iastate.edu a. Competition c. Interspecific interactions b. Parasitism d. Niche c. Mutualism d. Commensalism 14. An organism’s ability to move away from their origin is: a. Human Expansion Principal 10. An assemblage of all species in an area that live close enough to on another to interact is: b. Dispersal Ability a. Population c. Migration b. Biome d. Biotic Factor c. Ecosystem d. Community 15. Solar intensities vary by _________ and are affected by ___________. a. altitude, longitude 11. When one animal benefits and the other animal is harmed or killed in species interactions is an example of: b. altitude, latitude c. latitude, altitude a. Mutualism d. longitude, altitude b. Predation, Herbivory, Parasitism & Disease c. Commensalism 16. A biotic factor would be all but: d. Competition a. competitors b. predators 12. When both animals benefit in species interactions is an example of: c. disease a. Mutualism d. soil type b. Predation, Herbivory, Parasitism & Disease c. Commensalism 17. Energy is directly passed on through food webs. d. Competition a. True b. False 18. Studying a group of interbreeding individuals of a species would be studying ________ Ecology. 13. An organism's ecological role in the environment: a. Organismal a. Spatial Variation b. Population b. Intraspecific interactions c. Community d. Ecosystem 23. Working to repair and limit damage to an environment would fall under which practice: 19. _________ and __________ also affect the temperature. a. Population Ecology a. Solar intensities, wind currents b. Basic Ecology b. Wind currents, ocean currents c. Applied Ecology c. Solar Intensities, ocean currents d. Community Ecology d. Earth’s rotation around the sun, wind currents 24. Which is not a way a species can be limited: 20. The space of in the world where life exist is a. Mobility called: b. Dispersal Ability a. Ecosystem c. Biotic Factors b. Biome d. Abiotic Factors c. Biosphere d. Community 21. Studying individual’s morphology, physiology and behavior would be studying __________. 25. Studying all species in a particular area, plants,fungi, and prokaryotes would be the study of______________. a. Organismal b. Population a. Organismal c. Community b. Population d. Ecosystem c. Community d. Ecosystem 26. Studying biotic and abiotic factors would be studying: 22. Doing research on the distribution and a. Organismal abundance of species and who they affect each other would be the studying: b. Population a. Population Ecology c. Community b. Basic Ecology d. Ecosystem c. Applied Ecology d. Community Ecology 27. If you lived in a temperate region, you’d have a. Applied Niche less sun large seasonal change than if you lived in the tropics, this is because of: b. Fundamental Niche a. Longititude c. Basic Niche b. Earth’s rotation around the sun d. Realized Niche c. Earth’s tilt d. All of the above 33. When two or more species go after the same limited resource is an example of: a. Mutualism 28. An assemblage of various types of organisms in specific climates is a(n): b. Predation, Herbivory, Parasitism & Disease a. Biome c. Commensalism b. Biosphere d. Competition c. Ecosystem d. Community 34. _________ refers to something within a species while _________ refers to something between different species. 29. An assemblage of all species in an area that a. Interspecific, Intraspecific live close enough to one another to interact is a(n): b. Intraspecific, Interspecific a. Biosphere 35. A skunk spraying a predator is an example of: b. Community a. Passive Defense c. Ecosystem b. Active Defense d. Biome c. Mimicry in Prey 30. Two species can live in the same niche d. Active Attack a. True 36. Which is something that doesn’t help speciation and prevent between all species: b. False a. Spatial Variation 31. Where an organism would live if there were no limitations or competition is a(n): b. Keystone Predators a. Applied Niche c. Increases in Resources b. Fundamental Niche d. Resource Partition c. Basic Niche d. Realized Niche 37. When one or more species benefits without negatively impacting another species is an example of: 32. Where an organism lives due to limitation or a. Mutualism competition is a(n): b. Predation, Herbivory, Parasitism & Disease d. Competition, Predations c. Commensalism d. Competition 41. Which of the following is not a main part to a food chain: a. Decomposers 37. What is the Competitive Exclusion Principle? b. Producers a. If there is more than one species in an area at any given time there will always be competition c. Secondary (and on) Consumers b. If there are more than ten species in an area there will be no competition d. Primary Consumers c. If there is more that one species going after the same limited resource eventually only one will 42. A toad having camouflage colored skin is an continue to survive example of: d. It doesn’t matter how many species are going a. Passive Defense after the same limited resource, this cycle will continue throughout time. b. Mimicry in Prey - Batesian Mimicry c. Mimicry in Prey - Mullerian Mimicry 38. When a harmless species mimics a harmful is: d. Active Defense a. Passive Defense b. Mimicry in Prey - Batesian Mimicry c. Mimicry in Prey - Mullerian Mimicry d. Active Defense 43. When two harmful species mimic each others appearances is an example of: 39. ___________ and ________ relate to the trophic structure of a community. a. Competition, Keystone species b. Dominant species, Keystone Species c. Dominant species, Predations d. Competition, Predations 40. _________ and _________ are the key processes driving community dynamics. a. Competition, Keystone species b. Dominant species, Keystone Species c. Dominant species, Predations 38. When a harmless species mimics a harmful is: a. Passive Defense b. Mimicry in Prey - Batesian Mimicry c. Mimicry in Prey - Mullerian Mimicry d. Active Defense 44. The study of life statistics that change populations size is: a. Population Ecology b. Community Ecology c. Ecology d. Demography 49. If mortality rates where high for infants but flattened out after a certain time, which survivorship curve with this be an example of: 45. A population growing without restrictions or a. Type 1 limitations would in: b. Type 2 a. Consistent Growth c. Type 3 b. Increasing Growth c. Exponential Growth d. Decreasing Growth 50. When the growth rate is positive it means that there is: a. there is an increase in population 46. Which variable represents Carrying Capacity? b. there are more death than birth a. J c. there are more deaths than births b. C d. the Carrying Capacity has been reach c. K d. M 51. Which of the following is not a density dependent factor: 47. The limiting factor that prevents exponential a. weather growth is: a. Limited Resources b. metabolic waste b. Carrying Capacity c. parasites c. Death Rate d. disease d. Birth Rate 52. Which of the following is not a density independent factor: 48. When the growth rate is negative it means that: a. Flood a. there is an increase in population b. Earthquake b. there are more births than deaths c. Volcanoes c. there are more deaths than births d. Predators d. the Carrying Capacity has been reach 53. All populations grow rapidly till they reach K at which point in time their growth rate remains close to zero and the population stays consistent from then on out.. a. True b. False 54. If a species rate of decline is independent of its age is an example of which survivorship curve? a. Type 1 b. Type 2 c. Type 3 55. If a species rate of decline increases with age is an example of which survivor ship curve? a. Type 3 b. Type2 c. Type 1