Test Pop. Inter. (a)
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Name: ________________________ Class: ___________________ Date: __________
ID: A
Honors Biology Test Population and Community Interactions Ecology Spr 2009 Multiple Choice Identify the choice that best completes the statement or answers the question. ____
____
____
____
____
____
1. What distribution pattern is the most common in the natural world? a. random b. uniform c. clumped d. stratified or layered e. homogeneous 2. Population size is related to a. deaths. b. births. c. migration. d. immigration. e. all of these 3. Zero population growth is achieved a. when a population reaches the carrying capacity of the environment. b. when emigration and immigration are balanced and the number of births equals the number of deaths. c. anytime that births exceed deaths. d. anytime that deaths exceed births. e. when emigration and immigration are prevented. 4. The graph of a population that is growing exponentially in the absence of limiting factors is a. S-shaped. b. J-shaped. c. V-shaped. d. U-shaped. e. N-shaped. 5. There will be approximately ____ mice in four months in a population of 1,000 mice where 500 mice are born and 400 mice die monthly. a. 1,060 b. 1,160 c. 1,260 d. 1,360 e. 1,460 6. Populations a. are only limited by one factor at a time. b. increase arithmetically. c. may increase indefinitely. d. are limited by the carrying capacity. e. overcome limiting factors by increasing their biotic potential.
1
Name: ________________________
ID: A
____
7. As population density increases, the chance of ____ also increases. a. parasitism b. disease c. predation d. competition e. all of these ____ 8. Limiting factors a. produce more pronounced effects as a population grows. b. prevent indefinite, exponential population growth. c. can be either density-dependent or density-independent. d. acting together constitute environmental resistance to population growth. e. all of these ____ 9. Density-independent factors that limit population growth include a. parasites. b. temperature. c. disease. d. competition. e. predation. ____ 10. A J-shaped population growth curve becomes an S-shaped one a. as more resources become available. b. if the data are plotted on semi-log graph paper. c. as the carrying capacity is reached. d. if reproduction stops. e. any of these Figure 45-1 Refer to the figure illustrating logistic growth, to answer the following questions.
____ 11. Refer to Figure 45-1. The initial carrying capacity of an environment is indicated by a. A. b. B. c. C. d. D. e. E.
2
Name: ________________________
ID: A
____ 12. Refer to Figure 45-1. The effect of population growth limiting factors begin to become evident at about a. A. b. B. c. C. d. D. e. E. ____ 13. Refer to Figure 45-1. A change in the environment's long-term ability to sustain the population is indicated by a. A. b. B. c. C. d. D. e. E. ____ 14. Refer to Figure 45-1. N is equal to the initial carrying capacity at a. A. b. B. c. C. d. D. e. E. ____ 15. A cohort is a. a group of newborn individuals of the same species. b. any member of the same species. c. a group of individuals with the same parents. d. a group of individuals of the same sex. e. any group of closely related individuals. ____ 16. Type II survivorship curves a. are characteristic of humans and elephants. b. indicate a fairly constant rate of death at all ages. c. indicate a high mortality rate in the very young. d. are characteristic of species in which most individuals live a relatively long life and die of old age. e. are typical of species with high biotic potentials. ____ 17. A study of a cohort of 1,000 animals showed a 90 percent death rate per individual in the first year, 10 percent the second year, and 5 percent the third year. This population's survivorship is a. type I. b. type II. c. type III. d. type I the first year and type II in years two and three. e. type I the first year, type II the second year, and type III the third year.
3
Name: ________________________
ID: A
Figure 45-2 Refer to the age structure diagrams, to answer the following questions.
____ 18. Refer to Figure 45-2. A slow-growing population is indicated by a. A. b. B. c. C. d. D. e. none of these ____ 19. Refer to Figure 45-2. A population with zero growth is indicated by a. A. b. B. c. C. d. D. e. none of these ____ 20. Refer to Figure 45-2. A rapidly growing population is indicated by a. A. b. B. c. C. d. D. e. none of these ____ 21. Refer to Figure 45-2. The age structure diagram for countries with a 6.5 total fertility rate is indicated by a. A. b. B. c. C. d. D. e. none of these
4
Name: ________________________
ID: A
____ 22. Refer to Figure 45-2. The age structure diagram for countries with a 1.5 total fertility rate is indicated by a. A. b. B. c. C. d. D. e. none of these ____ 23. Refer to Figure 45-2. The age structure diagram for countries with a 2.1 total fertility rate is indicated by a. A. b. B. c. C. d. D. e. none of these ____ 24. Imported fire ants attack a. humans. b. livestock. c. pets. d. wildlife. e. all of these ____ 25. Species richness is greater in the tropics than in the arctic because of a. high solar radiation. b. high annual rainfall. c. warm temperatures. d. patterns of plant growth there. e. all of these ____ 26. When Shakespeare wrote about the world as a stage and each of us being players, he was unknowingly referring to the biological concept of a. succession. b. the niche. c. different habitats. d. feeding levels. e. interspecific competition. ____ 27. Niche refers to the a. home range of an animal. b. preferred habitat for an organism. c. functional role of a species in a community. d. territory occupied by a species. e. feeding levels of a species. ____ 28. A relationship in which two species are dependent on each other for survival is a. neutral. b. commensalism. c. competitive exclusion. d. mutualism. e. parasitism.
5
Name: ________________________
ID: A
____ 29. A one-way relationship in which one species benefits at the expense of another is a. commensalism. b. competitive exclusion. c. parasitism. d. obligate mutualism. e. a neutral relationship. ____ 30. The weakest symbiotic association, in which one species simply lives better in the presence of another species, is a. commensalism. b. competitive exclusion. c. mutualism. d. facultative obligate mutualism. e. parasitism. ____ 31. The relationship between the grass and eagle in the food chain grass >>> rabbit >>> eagle is a. predation. b. commensalism. c. competition. d. indirect. e. mutualism. ____ 32. An interaction between two species in which one species benefits and the other species is harmed is a. mutualism. b. commensalism. c. competition. d. predation. e. none of these ____ 33. The relationship between the yucca plant and the yucca moth that pollinates it is a. camouflage. b. commensalism. c. competitive exclusion. d. obligate mutualism. e. all of these ____ 34. The interaction between two species in which both species may be harmed is a. mutualism. b. parasitism. c. commensalism. d. competition. e. predation. ____ 35. The construction of a fence around your yard establishes a relationship with the neighbor's dog that is a. succession. b. interference competition. c. commensalism. d. mutualism. e. niche.
6
Name: ________________________
ID: A
____ 36. Niche overlap initially leads to a. mutualism. b. commensalism. c. competition. d. predation. e. parasitism. Figure 46-1 Use the figure showing root systems of three annual plant species that live together to answer the following questions.
____ 37. Refer to Figure 46-1. The plant species that has a root system adapted for rapid absorption of water during rains is a. smartweed. b. Indian mallow. c. bristly foxtail. d. all of these e. none of these ____ 38. A goat eating by pulling a plant out of the ground is an example of a. parasitism. b. predation. c. competition. d. commensalism. e. mutualism.
7
Name: ________________________
ID: A
____ 39. Which of the following is(are) true about predator-prey coevolution? a. Each species exerts selection pressure on the other. b. Predators are selective agents that favor improved prey defenses. c. Prey with better defenses are selective agents that favor better predator hunting skills. d. all of these e. none of these ____ 40. Hover flies like to drop in at outdoor picnics to sample the sweets, but the reaction of the humans is to flee the scene because of the flies' uncanny resemblance to bees. Thus, the survival of the hover fly is enhanced by a. mimicry. b. display behavior. c. warning coloration. d. chemical defenses. e. camouflage. ____ 41. Which bird is a social parasite and lays its eggs in the nests of other birds? a. catbird b. cowbird c. magpie d. Kirtland warbler e. bluejay ____ 42. Pioneer plant species are usually characterized by a. small size. b. efficient dispersal mechanisms. c. slow maturation. d. small size and efficient dispersal mechanisms. e. small size, efficient dispersal mechanisms, and slow maturation. ____ 43. Many introduced species have deleterious effects on communities and ecosystems because a. coevolved parasites and competitors are absent. b. the introduced species are long-lived. c. predators prefer the introduced species, and the local prey therefore proliferate to dangerously high levels. d. the communities from which they came lost an important predator, competitor, or parasite. e. all of these ____ 44. In the United States, the number of breeding bird species increases from a. Minnesota to Texas. b. mainland Florida to the Florida Keys. c. low mountain altitudes to high mountain altitudes. d. Minnesota to Texas and from mainland Florida to the Florida Keys. e. Minnesota to Texas, from mainland Florida to the Florida Keys, and from low mountain altitudes to high mountain altitudes.
8
ID: A
Honors Biology Test Population and Community Interactions Ecology Spr 2009 Answer Section MULTIPLE CHOICE 1. ANS: TOP: 2. ANS: TOP: 3. ANS: TOP: 4. ANS: TOP: 5. ANS: TOP: 6. ANS: TOP: 7. ANS: TOP: 8. ANS: TOP: 9. ANS: TOP: 10. ANS: TOP: 11. ANS: TOP: 12. ANS: TOP: 13. ANS: TOP: 14. ANS: TOP: 15. ANS: 16. ANS: 17. ANS: 18. ANS: TOP: 19. ANS: TOP: 20. ANS: TOP: 21. ANS: TOP: 22. ANS: TOP:
C PTS: 1 DIF: Easy CHARACTERISTICS OF POPULATIONS E PTS: 1 DIF: Moderate CHARACTERISTICS OF POPULATIONS B PTS: 1 DIF: Easy POPULATION SIZE AND EXPONENTIAL GROWTH B PTS: 1 DIF: Moderate POPULATION SIZE AND EXPONENTIAL GROWTH E PTS: 1 DIF: Difficult POPULATION SIZE AND EXPONENTIAL GROWTH D PTS: 1 DIF: Moderate LIMITS ON THE GROWTH OF POPULATIONS E PTS: 1 DIF: Moderate LIMITS ON THE GROWTH OF POPULATIONS E PTS: 1 DIF: Difficult LIMITS ON THE GROWTH OF POPULATIONS B PTS: 1 DIF: Easy LIMITS ON THE GROWTH OF POPULATIONS C PTS: 1 DIF: Difficult LIMITS ON THE GROWTH OF POPULATIONS C PTS: 1 DIF: Easy LIMITS ON THE GROWTH OF POPULATIONS B PTS: 1 DIF: Moderate LIMITS ON THE GROWTH OF POPULATIONS E PTS: 1 DIF: Moderate LIMITS ON THE GROWTH OF POPULATIONS D PTS: 1 DIF: Moderate LIMITS ON THE GROWTH OF POPULATIONS A PTS: 1 DIF: Moderate TOP: LIFE HISTORY PATTERNS B PTS: 1 DIF: Difficult TOP: LIFE HISTORY PATTERNS C PTS: 1 DIF: Moderate TOP: LIFE HISTORY PATTERNS B PTS: 1 DIF: Easy FERTILITY RATES AND AGE STRUCTURE C PTS: 1 DIF: Easy FERTILITY RATES AND AGE STRUCTURE A PTS: 1 DIF: Easy FERTILITY RATES AND AGE STRUCTURE A PTS: 1 DIF: Moderate FERTILITY RATES AND AGE STRUCTURE D PTS: 1 DIF: Moderate FERTILITY RATES AND AGE STRUCTURE 1
ID: A 23. ANS: TOP: 24. ANS: TOP: 25. ANS: TOP: 26. ANS: TOP: 27. ANS: TOP: 28. ANS: TOP: 29. ANS: TOP: 30. ANS: TOP: 31. ANS: TOP: 32. ANS: TOP: 33. ANS: 34. ANS: 35. ANS: 36. ANS: 37. ANS: 38. ANS: TOP: 39. ANS: TOP: 40. ANS: TOP: 41. ANS: TOP: 42. ANS: 43. ANS: TOP: 44. ANS: TOP:
C PTS: 1 DIF: Moderate FERTILITY RATES AND AGE STRUCTURE E PTS: 1 DIF: Easy IMPACTS, ISSUES: FIRE ANTS IN THE PANTS E PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? B PTS: 1 DIF: Moderate WHICH FACTORS SHAPE COMMUNITY STRUCTURE? C PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? D PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? C PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? A PTS: 1 DIF: Moderate WHICH FACTORS SHAPE COMMUNITY STRUCTURE? D PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? D PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? D PTS: 1 DIF: Easy TOP: MUTUALISM D PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS B PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS C PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS C PTS: 1 DIF: Easy TOP: COMPETITIVE INTERACTIONS B PTS: 1 DIF: Easy PREDATOR-PREY INTERACTIONS D PTS: 1 DIF: Moderate PREDATOR-PREY INTERACTIONS A PTS: 1 DIF: Moderate FOCUS ON EVOLUTION: AN EVOLUTIONARY ARMS RACE B PTS: 1 DIF: Easy FOCUS ON EVOLUTION: COWBIRD CHUTZPAH D PTS: 1 DIF: Moderate TOP: ECOLOGICAL SUCCESSION A PTS: 1 DIF: Moderate SPECIES INTERACTIONS AND COMMUNITY INSTABILITY A PTS: 1 DIF: Moderate BIOGEOGRAPHIC PATTERNS IN COMMUNITY STRUCTURE
2
ID: A
Honors Biology Test Population and Community Interactions Ecology Spr 2009 Multiple Choice Identify the choice that best completes the statement or answers the question. ____
____
____
____
____
____
1. What distribution pattern is the most common in the natural world? a. random b. uniform c. clumped d. stratified or layered e. homogeneous 2. Population size is related to a. deaths. b. births. c. migration. d. immigration. e. all of these 3. Zero population growth is achieved a. when a population reaches the carrying capacity of the environment. b. when emigration and immigration are balanced and the number of births equals the number of deaths. c. anytime that births exceed deaths. d. anytime that deaths exceed births. e. when emigration and immigration are prevented. 4. The graph of a population that is growing exponentially in the absence of limiting factors is a. S-shaped. b. J-shaped. c. V-shaped. d. U-shaped. e. N-shaped. 5. There will be approximately ____ mice in four months in a population of 1,000 mice where 500 mice are born and 400 mice die monthly. a. 1,060 b. 1,160 c. 1,260 d. 1,360 e. 1,460 6. Populations a. are only limited by one factor at a time. b. increase arithmetically. c. may increase indefinitely. d. are limited by the carrying capacity. e. overcome limiting factors by increasing their biotic potential.
1
Name: ________________________
ID: A
____
7. As population density increases, the chance of ____ also increases. a. parasitism b. disease c. predation d. competition e. all of these ____ 8. Limiting factors a. produce more pronounced effects as a population grows. b. prevent indefinite, exponential population growth. c. can be either density-dependent or density-independent. d. acting together constitute environmental resistance to population growth. e. all of these ____ 9. Density-independent factors that limit population growth include a. parasites. b. temperature. c. disease. d. competition. e. predation. ____ 10. A J-shaped population growth curve becomes an S-shaped one a. as more resources become available. b. if the data are plotted on semi-log graph paper. c. as the carrying capacity is reached. d. if reproduction stops. e. any of these Figure 45-1 Refer to the figure illustrating logistic growth, to answer the following questions.
____ 11. Refer to Figure 45-1. The initial carrying capacity of an environment is indicated by a. A. b. B. c. C. d. D. e. E.
2
Name: ________________________
ID: A
____ 12. Refer to Figure 45-1. The effect of population growth limiting factors begin to become evident at about a. A. b. B. c. C. d. D. e. E. ____ 13. Refer to Figure 45-1. A change in the environment's long-term ability to sustain the population is indicated by a. A. b. B. c. C. d. D. e. E. ____ 14. Refer to Figure 45-1. N is equal to the initial carrying capacity at a. A. b. B. c. C. d. D. e. E. ____ 15. A cohort is a. a group of newborn individuals of the same species. b. any member of the same species. c. a group of individuals with the same parents. d. a group of individuals of the same sex. e. any group of closely related individuals. ____ 16. Type II survivorship curves a. are characteristic of humans and elephants. b. indicate a fairly constant rate of death at all ages. c. indicate a high mortality rate in the very young. d. are characteristic of species in which most individuals live a relatively long life and die of old age. e. are typical of species with high biotic potentials. ____ 17. A study of a cohort of 1,000 animals showed a 90 percent death rate per individual in the first year, 10 percent the second year, and 5 percent the third year. This population's survivorship is a. type I. b. type II. c. type III. d. type I the first year and type II in years two and three. e. type I the first year, type II the second year, and type III the third year.
3
Name: ________________________
ID: A
Figure 45-2 Refer to the age structure diagrams, to answer the following questions.
____ 18. Refer to Figure 45-2. A slow-growing population is indicated by a. A. b. B. c. C. d. D. e. none of these ____ 19. Refer to Figure 45-2. A population with zero growth is indicated by a. A. b. B. c. C. d. D. e. none of these ____ 20. Refer to Figure 45-2. A rapidly growing population is indicated by a. A. b. B. c. C. d. D. e. none of these ____ 21. Refer to Figure 45-2. The age structure diagram for countries with a 6.5 total fertility rate is indicated by a. A. b. B. c. C. d. D. e. none of these
4
Name: ________________________
ID: A
____ 22. Refer to Figure 45-2. The age structure diagram for countries with a 1.5 total fertility rate is indicated by a. A. b. B. c. C. d. D. e. none of these ____ 23. Refer to Figure 45-2. The age structure diagram for countries with a 2.1 total fertility rate is indicated by a. A. b. B. c. C. d. D. e. none of these ____ 24. Imported fire ants attack a. humans. b. livestock. c. pets. d. wildlife. e. all of these ____ 25. Species richness is greater in the tropics than in the arctic because of a. high solar radiation. b. high annual rainfall. c. warm temperatures. d. patterns of plant growth there. e. all of these ____ 26. When Shakespeare wrote about the world as a stage and each of us being players, he was unknowingly referring to the biological concept of a. succession. b. the niche. c. different habitats. d. feeding levels. e. interspecific competition. ____ 27. Niche refers to the a. home range of an animal. b. preferred habitat for an organism. c. functional role of a species in a community. d. territory occupied by a species. e. feeding levels of a species. ____ 28. A relationship in which two species are dependent on each other for survival is a. neutral. b. commensalism. c. competitive exclusion. d. mutualism. e. parasitism.
5
Name: ________________________
ID: A
____ 29. A one-way relationship in which one species benefits at the expense of another is a. commensalism. b. competitive exclusion. c. parasitism. d. obligate mutualism. e. a neutral relationship. ____ 30. The weakest symbiotic association, in which one species simply lives better in the presence of another species, is a. commensalism. b. competitive exclusion. c. mutualism. d. facultative obligate mutualism. e. parasitism. ____ 31. The relationship between the grass and eagle in the food chain grass >>> rabbit >>> eagle is a. predation. b. commensalism. c. competition. d. indirect. e. mutualism. ____ 32. An interaction between two species in which one species benefits and the other species is harmed is a. mutualism. b. commensalism. c. competition. d. predation. e. none of these ____ 33. The relationship between the yucca plant and the yucca moth that pollinates it is a. camouflage. b. commensalism. c. competitive exclusion. d. obligate mutualism. e. all of these ____ 34. The interaction between two species in which both species may be harmed is a. mutualism. b. parasitism. c. commensalism. d. competition. e. predation. ____ 35. The construction of a fence around your yard establishes a relationship with the neighbor's dog that is a. succession. b. interference competition. c. commensalism. d. mutualism. e. niche.
6
Name: ________________________
ID: A
____ 36. Niche overlap initially leads to a. mutualism. b. commensalism. c. competition. d. predation. e. parasitism. Figure 46-1 Use the figure showing root systems of three annual plant species that live together to answer the following questions.
____ 37. Refer to Figure 46-1. The plant species that has a root system adapted for rapid absorption of water during rains is a. smartweed. b. Indian mallow. c. bristly foxtail. d. all of these e. none of these ____ 38. A goat eating by pulling a plant out of the ground is an example of a. parasitism. b. predation. c. competition. d. commensalism. e. mutualism.
7
Name: ________________________
ID: A
____ 39. Which of the following is(are) true about predator-prey coevolution? a. Each species exerts selection pressure on the other. b. Predators are selective agents that favor improved prey defenses. c. Prey with better defenses are selective agents that favor better predator hunting skills. d. all of these e. none of these ____ 40. Hover flies like to drop in at outdoor picnics to sample the sweets, but the reaction of the humans is to flee the scene because of the flies' uncanny resemblance to bees. Thus, the survival of the hover fly is enhanced by a. mimicry. b. display behavior. c. warning coloration. d. chemical defenses. e. camouflage. ____ 41. Which bird is a social parasite and lays its eggs in the nests of other birds? a. catbird b. cowbird c. magpie d. Kirtland warbler e. bluejay ____ 42. Pioneer plant species are usually characterized by a. small size. b. efficient dispersal mechanisms. c. slow maturation. d. small size and efficient dispersal mechanisms. e. small size, efficient dispersal mechanisms, and slow maturation. ____ 43. Many introduced species have deleterious effects on communities and ecosystems because a. coevolved parasites and competitors are absent. b. the introduced species are long-lived. c. predators prefer the introduced species, and the local prey therefore proliferate to dangerously high levels. d. the communities from which they came lost an important predator, competitor, or parasite. e. all of these ____ 44. In the United States, the number of breeding bird species increases from a. Minnesota to Texas. b. mainland Florida to the Florida Keys. c. low mountain altitudes to high mountain altitudes. d. Minnesota to Texas and from mainland Florida to the Florida Keys. e. Minnesota to Texas, from mainland Florida to the Florida Keys, and from low mountain altitudes to high mountain altitudes.
8
ID: A
Honors Biology Test Population and Community Interactions Ecology Spr 2009 Answer Section MULTIPLE CHOICE 1. ANS: TOP: 2. ANS: TOP: 3. ANS: TOP: 4. ANS: TOP: 5. ANS: TOP: 6. ANS: TOP: 7. ANS: TOP: 8. ANS: TOP: 9. ANS: TOP: 10. ANS: TOP: 11. ANS: TOP: 12. ANS: TOP: 13. ANS: TOP: 14. ANS: TOP: 15. ANS: 16. ANS: 17. ANS: 18. ANS: TOP: 19. ANS: TOP: 20. ANS: TOP: 21. ANS: TOP: 22. ANS: TOP:
C PTS: 1 DIF: Easy CHARACTERISTICS OF POPULATIONS E PTS: 1 DIF: Moderate CHARACTERISTICS OF POPULATIONS B PTS: 1 DIF: Easy POPULATION SIZE AND EXPONENTIAL GROWTH B PTS: 1 DIF: Moderate POPULATION SIZE AND EXPONENTIAL GROWTH E PTS: 1 DIF: Difficult POPULATION SIZE AND EXPONENTIAL GROWTH D PTS: 1 DIF: Moderate LIMITS ON THE GROWTH OF POPULATIONS E PTS: 1 DIF: Moderate LIMITS ON THE GROWTH OF POPULATIONS E PTS: 1 DIF: Difficult LIMITS ON THE GROWTH OF POPULATIONS B PTS: 1 DIF: Easy LIMITS ON THE GROWTH OF POPULATIONS C PTS: 1 DIF: Difficult LIMITS ON THE GROWTH OF POPULATIONS C PTS: 1 DIF: Easy LIMITS ON THE GROWTH OF POPULATIONS B PTS: 1 DIF: Moderate LIMITS ON THE GROWTH OF POPULATIONS E PTS: 1 DIF: Moderate LIMITS ON THE GROWTH OF POPULATIONS D PTS: 1 DIF: Moderate LIMITS ON THE GROWTH OF POPULATIONS A PTS: 1 DIF: Moderate TOP: LIFE HISTORY PATTERNS B PTS: 1 DIF: Difficult TOP: LIFE HISTORY PATTERNS C PTS: 1 DIF: Moderate TOP: LIFE HISTORY PATTERNS B PTS: 1 DIF: Easy FERTILITY RATES AND AGE STRUCTURE C PTS: 1 DIF: Easy FERTILITY RATES AND AGE STRUCTURE A PTS: 1 DIF: Easy FERTILITY RATES AND AGE STRUCTURE A PTS: 1 DIF: Moderate FERTILITY RATES AND AGE STRUCTURE D PTS: 1 DIF: Moderate FERTILITY RATES AND AGE STRUCTURE 1
ID: A 23. ANS: TOP: 24. ANS: TOP: 25. ANS: TOP: 26. ANS: TOP: 27. ANS: TOP: 28. ANS: TOP: 29. ANS: TOP: 30. ANS: TOP: 31. ANS: TOP: 32. ANS: TOP: 33. ANS: 34. ANS: 35. ANS: 36. ANS: 37. ANS: 38. ANS: TOP: 39. ANS: TOP: 40. ANS: TOP: 41. ANS: TOP: 42. ANS: 43. ANS: TOP: 44. ANS: TOP:
C PTS: 1 DIF: Moderate FERTILITY RATES AND AGE STRUCTURE E PTS: 1 DIF: Easy IMPACTS, ISSUES: FIRE ANTS IN THE PANTS E PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? B PTS: 1 DIF: Moderate WHICH FACTORS SHAPE COMMUNITY STRUCTURE? C PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? D PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? C PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? A PTS: 1 DIF: Moderate WHICH FACTORS SHAPE COMMUNITY STRUCTURE? D PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? D PTS: 1 DIF: Easy WHICH FACTORS SHAPE COMMUNITY STRUCTURE? D PTS: 1 DIF: Easy TOP: MUTUALISM D PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS B PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS C PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS C PTS: 1 DIF: Easy TOP: COMPETITIVE INTERACTIONS B PTS: 1 DIF: Easy PREDATOR-PREY INTERACTIONS D PTS: 1 DIF: Moderate PREDATOR-PREY INTERACTIONS A PTS: 1 DIF: Moderate FOCUS ON EVOLUTION: AN EVOLUTIONARY ARMS RACE B PTS: 1 DIF: Easy FOCUS ON EVOLUTION: COWBIRD CHUTZPAH D PTS: 1 DIF: Moderate TOP: ECOLOGICAL SUCCESSION A PTS: 1 DIF: Moderate SPECIES INTERACTIONS AND COMMUNITY INSTABILITY A PTS: 1 DIF: Moderate BIOGEOGRAPHIC PATTERNS IN COMMUNITY STRUCTURE
2
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