Ecology!

68 Questions

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Ecology Quizzes & Trivia

Questions and Answers
  • 1. 
    The scientific study of interactions between organisms and the enviroment
    • A. 

      Population ecology

    • B. 

      Population

    • C. 

      Ecology

    • D. 

      Density

  • 2. 
    what determines geographic distribution of species 
    • A. 

      Interactions with other species

    • B. 

      Resources

    • C. 

      Climate

    • D. 

      Biotic and abiotic factors

  • 3. 
    Which is a living factor and which is none living factor
    • A. 

      Biotic, abiotic

    • B. 

      Abiotic, Biotic

  • 4. 
    Organisms that are intentionally or accidentally relocated from their original distribution 
    • A. 

      Turnover

    • B. 

      Dispersal

    • C. 

      Species transplants

    • D. 

      Population ecology

  • 5. 
    the movement of individuals away from center of high population density or from area of orgin
    • A. 

      Dispersal

    • B. 

      Density

    • C. 

      Dispersion

    • D. 

      Population

  • 6. 
    Biotic factors in ecology include all of the following except
    • A. 

      Distribution

    • B. 

      Interaction with other species

    • C. 

      Predation/parasites

    • D. 

      Competition

  • 7. 
    Abiotic factors included all of the following except 
    • A. 

      Competition

    • B. 

      Temperature

    • C. 

      Water

    • D. 

      Sunlight

    • E. 

      Salinity/salt concentration

    • F. 

      Wind

    • G. 

      Rocks and soil

  • 8. 
    Which of the following is not a characteristic to a rocks abiotic factor
    • A. 

      PH

    • B. 

      Location of rock

    • C. 

      Mineral concentration

    • D. 

      Physical structure of rocks and soil

  • 9. 
    Which is not a regional, local and seasonal effect on climate 
    • A. 

      Bodies of water

    • B. 

      Animal population

    • C. 

      Moutians

    • D. 

      Seasonality

  • 10. 
    major ecological associations that occupy broad geographic regions of lands are known as 
    • A. 

      Ecology

    • B. 

      Density

    • C. 

      Thermocline

    • D. 

      Biomes

  • 11. 
    The largest biomes is the______
    • A. 

      Northern coniferous forest

    • B. 

      Temperate broadleaf forest

    • C. 

      Aquatic

    • D. 

      Tundra

  • 12. 
    _____ is the semiannual mixing 
    • A. 

      Thermocline

    • B. 

      Distribution

    • C. 

      Turnover

    • D. 

      Dispersion

  • 13. 
    Terrestrial biomes are characterized by 
    • A. 

      Distribution (location)

    • B. 

      Precipitation

    • C. 

      Temp

    • D. 

      Plants

    • E. 

      Animals

    • F. 

      All are true

  • 14. 
    Consist of dry and rain forest and contains millions of animals species 
    • A. 

      Tundra

    • B. 

      Temperate Broadleaf forest

    • C. 

      Temperate grasslands

    • D. 

      Tropical forest

  • 15. 
    biome that has a low perception and may very hot or very cold 
    • A. 

      Tropical forest

    • B. 

      Temperate broadleaf forest

    • C. 

      Savanna

    • D. 

      Desert

  • 16. 
    Biome whose temp and perception are seasonal 
    • A. 

      Northern coniferous forest

    • B. 

      Temperate grasslands

    • C. 

      Savanna

    • D. 

      Tundra

  • 17. 
    Which biome has cold and dry winters; hot and wet summer
    • A. 

      Savana

    • B. 

      Temperate grasslands

    • C. 

      Temperate broadleaf forest

    • D. 

      Tropical forest

  • 18. 
    Largest terretral biome on earth 
    • A. 

      Desert

    • B. 

      Tundra

    • C. 

      Temperate broadleaf forest

    • D. 

      Northern coniferous forest

  • 19. 
    Winters are cool; Summers are hot. Lots of rains and snow. East TN is categorized in this biome 
    • A. 

      Temperate broadleaf forest

    • B. 

      Tundra

    • C. 

      Northern coniferous forest (taiga)

    • D. 

      Temperate grasslands

  • 20. 
    Winters are long and cold in this biome. It covers the Arctic and high moutian tops 
    • A. 

      Desert

    • B. 

      Tundra

    • C. 

      Savanna

    • D. 

      Tropical forest

  • 21. 
    The study of populations in relation to the environment  
    • A. 

      Population

    • B. 

      Dispersion

    • C. 

      Population ecology

    • D. 

      Density

  • 22. 
    A group of individuals of a single species living in the same general area
    • A. 

      Biome

    • B. 

      Population ecology

    • C. 

      Density

    • D. 

      Population

  • 23. 
    The number of individuals per-unit area or volume 
    • A. 

      Density

    • B. 

      Dispersion

    • C. 

      Population

    • D. 

      Demography

  • 24. 
    The pattern of spacing among individuals 
    • A. 

      Density

    • B. 

      Dispersion

    • C. 

      Population

    • D. 

      Life table

  • 25. 
    All of the following are types of dispersion except 
    • A. 

      Clumped

    • B. 

      Uniform

    • C. 

      Scattered

    • D. 

      Random

  • 26. 
    Which of the following form of dispersion is  in patches 
    • A. 

      Clumped

    • B. 

      Uniform

    • C. 

      Scattered

    • D. 

      Random

  • 27. 
    Which of the following type of dispersion is evenly distributed; TERRITORIALITY 
    • A. 

      Random

    • B. 

      Clumped

    • C. 

      Scattered

    • D. 

      Uniform

  • 28. 
    Which of the following type of dispersion is described as position of each individual as being independent of other individuals; occurs in absence of strong attraction or repulsion ( NOT COMMON)
    • A. 

      Scattered

    • B. 

      Uniform

    • C. 

      Random

    • D. 

      Clumped

  • 29. 
    Influx of new individuals from other areas 
    • A. 

      Carrying capacity

    • B. 

      Allee effect

    • C. 

      Immigration

    • D. 

      Emigration

  • 30. 
    Movement of individuals out of a group 
    • A. 

      Allee effects

    • B. 

      Ecological footprint

    • C. 

      Emigration

    • D. 

      Immigration

  • 31. 
    Study of vital statistics of a population and how they change over time. 
    • A. 

      Ecology

    • B. 

      Ecological footprint

    • C. 

      Density

    • D. 

      Demography

  • 32. 
    The age specific summary of the survival pattern of a population is called a 
    • A. 

      Life cycle

    • B. 

      Ecological footprint

    • C. 

      Allee efect

    • D. 

      Carrying capacity

  • 33. 
    A group of individuals of the same age
    • A. 

      Generation

    • B. 

      Independent factor

    • C. 

      Cohort

    • D. 

      Dependent factor

  • 34. 
    An organism's ________ comprises the traits that affect its reporduction and survival
    • A. 

      Life table

    • B. 

      Allee effect

    • C. 

      Carrying capacity

    • D. 

      Life history

  • 35. 
    Semelpariety 
    • A. 

      Big band reproduction ( low survival rate)- reproduce once and die

    • B. 

      Repeated reproduction- favor in dependable environment

  • 36. 
    Iteropariety
    • A. 

      Repeated reproduction- favor in dependably environment

    • B. 

      Big Bang reproduction (low survival rate)- reproduce once and die

  • 37. 
    When does a zero population growth occur 
    • A. 

      When no organism is reproducing due to environmental conditions

    • B. 

      When independent factors are competing with depending factors

    • C. 

      When individuals have a more difficult time surviving or reproduction

    • D. 

      When birth rate equals the death rate

  • 38. 
    The population increase under idealized conditions is referred to as 
    • A. 

      Allee effect

    • B. 

      Carrying capactiy

    • C. 

      Independent factor

    • D. 

      Exponential population growth

  • 39. 
    The maximum population size the environment can support. Of the earth for humans, it is uncertain. average is 10-15 billion
    • A. 

      Life table

    • B. 

      Carrying capacity

    • C. 

      Ecological footprint

    • D. 

      Maximum capacity

  • 40. 
    when individuals have a more difficult time surviving or reproducing if the population size is too small 
    • A. 

      Exponential population growth

    • B. 

      Zero population

    • C. 

      Allee effect

    • D. 

      Semelpariety

  • 41. 
    Population growth is regulated by 
    • A. 

      Density independent factors

    • B. 

      Carrying capacity

    • C. 

      Density dependent factors

    • D. 

      Both independent and dependent factors

  • 42. 
    Birth rate or death rate does NOT change with population density 
    • A. 

      Density Independent Factos

    • B. 

      Density Dependent Factors

  • 43. 
    All of the following are Density dependent factors except 
    • A. 

      Competition for resources

    • B. 

      Territoriality

    • C. 

      Disease

    • D. 

      Rainfall

    • E. 

      Predation

    • F. 

      Toxic waste

    • G. 

      Intrinsic factors (physiological)

  • 44. 
    Is the aggregate land and water area needed to sustain the people of a nation. 
    • A. 

      Carrying capacity

    • B. 

      Allee effect

    • C. 

      Ecological footprint

    • D. 

      Life table

  • 45. 
    Which of the following areas of study focuses on the exhchange of energy, organisms, and materials between ecosystems
    • A. 

      Ecosystemecology

    • B. 

      Population ecology

    • C. 

      Orgnaismal ecology

    • D. 

      Landscape ecology

  • 46. 
    The oceans affect the biosphere in all of the following ways except 
    • A. 

      Regulating the pH of freshwater biomes and terrestrial groundwork

    • B. 

      Removing carbon dioxide from the atmosphere

    • C. 

      Producing a substantial amount of the biospheres oxygen

    • D. 

      Moderating the climate of terrestrial biomes.

  • 47. 
    Which of the following biomes is correctly paired with the description of its climate 
    • A. 

      Tropical forests- nearly constant day length and temperature

    • B. 

      Savanna-cool temperature, precipitation uniform during the year

    • C. 

      Temperate grasslands-relatively warm winters, most rainfall in summer

    • D. 

      Tundra-long summers, mild winters

  • 48. 
    Which of the following levels of orgnaiation is arranged in the correct sequence from most to least inclusive
    • A. 

      Individual, community, population, ecosystem

    • B. 

      Community, ecosystem, individual, population

    • C. 

      Population, ecosystem, individual, community

    • D. 

      Ecosystem, community, population, individual

  • 49. 
    Ecology as a discipline directly deals with all of the following levels of biological organization  except 
    • A. 

      Organismal

    • B. 

      Population

    • C. 

      Cellualr

    • D. 

      Ecosystem

  • 50. 
    Thorough mixing of water in temperate lakes during the spring and fall turnovers is made possible by which of the following 
    • A. 

      Currents generated by nektonic aniamls

    • B. 

      Changing water temperature profiels

    • C. 

      Cold water layered at the bottom

    • D. 

      A pronounced thermocline under the surface

  • 51. 
    In temperate lakes, the surface water is replenished with nutrients during turnovers that occur in the 
    • A. 

      Summer and winter

    • B. 

      Autumn and spring

    • C. 

      Autumn and winter

    • D. 

      Spring and summer

  • 52. 
    Probably the most important factor(s) affecting the distribution of biomes is (are)
    • A. 

      Day length and rain fall

    • B. 

      Species diversity

    • C. 

      Wind and water current patterns

    • D. 

      Climate

  • 53. 
    Tropical grasslands with scattered trees are also known as
    • A. 

      Tundras

    • B. 

      Temperate spains

    • C. 

      Savannas

    • D. 

      Taigas

  • 54. 
    The growing season would generally be shortest in which of the following biomes?
    • A. 

      Savanna

    • B. 

      Temperate boradleaf forest

    • C. 

      Taiga

    • D. 

      Temperate grassland

  • 55. 
    The most common kind of dispersion in nature is 
    • A. 

      Uniform

    • B. 

      Clumped

    • C. 

      Dispersive

    • D. 

      Indeterminate

  • 56. 
    How would the dispersion of humans in the United States best be described?
    • A. 

      Dense

    • B. 

      Uniform

    • C. 

      Random

    • D. 

      Clumped

  • 57. 
    A table listing such items as age, observes number of organisms alive each year, and life expectancy is known as a 
    • A. 

      Life table

    • B. 

      Insurance table

    • C. 

      Mortality table

    • D. 

      Rate table

  • 58. 
    Carrying capacity (k) 
    • A. 

      Differs among species, but does not vary within a given species

    • B. 

      Is always eventually reached in any population

    • C. 

      Is often determined by energy limitation

    • D. 

      Remains constant in the presence of density-dependent population regulation

  • 59. 
    The allee effect is a phenomenon that occurs when population size
    • A. 

      Exceeds carrying capacity

    • B. 

      Becomes too large

    • C. 

      Becomes too small

    • D. 

      Approaches carrying capacity

  • 60. 
    Match the following
    • A. A density-dependent factos; a predator might be more likely to be spotted if a largenumber of prey are all together than it would be by a single prey animal
    • A.
    • B. Pacific Salmon or annual plants
    • B.
    • C. reproduce more than once in a lifetime
    • C.
    • D. pattern of spacing for individuals withinthe boundaries of thepopluation
    • D.
  • 61. 
    All of the following have contributed to the growth of the human population except 
    • A. 

      Improved nutrition

    • B. 

      Pesticides

    • C. 

      Vaccines

    • D. 

      Environmental degradation

  • 62. 
    Population ecologists follow the fate of same-age cohorts in order to 
    • A. 

      Determine the birth rate and death rate of each age group in a popluation

    • B. 

      Determine the factors that regulate the size of a population

    • C. 

      Determine if a population is regulated by density-dependent processes

    • D. 

      Determine if a population's growth is cyclical

  • 63. 
    A population's carrying capacity 
    • A. 

      May change as environmental conditions change

    • B. 

      Can be accurately calculated using the logistic growth model

    • C. 

      Increases as the per capita growth rate decreases

    • D. 

      Can never be exceeded

  • 64. 
    The infant mortality rate is ____ in developing countries than in developed countries
    • A. 

      About three times higher

    • B. 

      Slightly lower

    • C. 

      About two times higher

    • D. 

      More than six times higher

  • 65. 
    The current size of the human population is closet to 
    • A. 

      3 billion

    • B. 

      10 billion

    • C. 

      6 billion

    • D. 

      4 billion

  • 66. 
    Match the following
    • A. abiotic factors
    • A.
    • B. tropical forest
    • B.
    • C. tundra
    • C.
    • D. Climate
    • D.
    • E. aquatic biomes
    • E.
    • F. dispersal
    • F.
    • G. Great Smoky Mountians Nat'l Park
    • G.
    • H. ecology
    • H.
    • I. Thermocline
    • I.
    • J. desert
    • J.
  • 67. 
    Because of the seasonal turnover, lake waters are well oxygenated to all depths and do not exhibit thermal straticiation in spring and autumn
    • A. 

      True

    • B. 

      False

  • 68. 
    The ecological footprint for the average American is 
    • A. 

      1.7 ha/person

    • B. 

      1.6 ha/person

    • C. 

      13.5 ha/person

    • D. 

      10 ha/person