Defines Population Unit 5 Lesson 19

30 Questions | Total Attempts: 88

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Population Quizzes & Trivia

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Questions and Answers
  • 1. 
    Which statement best defines population?
    • A. 

      A population is made up of all the living members of the same species in a given environment

    • B. 

      A population is made up of certain living species in the popular environment

    • C. 

      Population refers to people only

    • D. 

      B and C are correct

  • 2. 
    True or False. The more samples used by scientist, the more confusing and less accurate the estimate of the actual population size. 
    • A. 

      True

    • B. 

      False

  • 3. 
    When estimating a population of small plant species in an area, what type of division do scientists use?
    • A. 

      Transects

    • B. 

      Quadrats

    • C. 

      Quandrant

    • D. 

      Quintuplets

  • 4. 
    For larger plant species, scientist divide the are into sample units using _________.
    • A. 

      Transects

    • B. 

      Quadrats

    • C. 

      Quadrants

    • D. 

      Quintuplets

  • 5. 
    True or False: Making a population estimate of animals is much more difficult than making a population estimate of plants. 
    • A. 

      True

    • B. 

      False

  • 6. 
    What do scientist do first to estimate the population of animals in an area?
    • A. 

      They play the flute to attract all the animals in their direction then tag all of them.

    • B. 

      They make quadrats and transects in the area.

    • C. 

      Only one sample of each species is capture and tagged.

    • D. 

      A sample of animals is captured and tagged.

  • 7. 
    ______________ is the potential for all populations to grow exponentially.
    • A. 

      Antibiotic Potential

    • B. 

      Biotic Potential

    • C. 

      Biographical Potential

    • D. 

      None of the Above

  • 8. 
    True or False. When all ideal conditions are met like sufficient food, shelter and water as well as space, the population can grow exponentially.
    • A. 

      True

    • B. 

      False.

  • 9. 
    Which statement best defines environmental resistance?
    • A. 

      Environmental resistance refers to the limiting factors in an environment that prevent populations from reaching their full biotic potential.

    • B. 

      Examples of environmental resistance are overcrowding, limited food, predators, and other obstacles.

    • C. 

      Environmental resistance is when the environment resists man-made pollution by excreting excess carbon dioxide in the air.

    • D. 

      A and B are correct.

  • 10. 
    __________ is the maximum population an environment can support.
    • A. 

      Loading Capacity

    • B. 

      Holding Capacity

    • C. 

      Carrying Capacity

    • D. 

      Equilibrium

  • 11. 
    ___________ is when a population reaches its carrying capacity with its environment.
    • A. 

      Equilibrium

    • B. 

      Carrying Capacity

    • C. 

      Mortality

    • D. 

      None of the above

  • 12. 
    Which best defines natality.
    • A. 

      Natality is the rate of reproduction.

    • B. 

      Natality is the rate at which individuals die.

    • C. 

      Natality is also known and birth rate.

    • D. 

      A and C are correct

  • 13. 
    ____________ is the rate at which individuals die. It is also known as death rate.
    • A. 

      Mortality

    • B. 

      Natality

    • C. 

      Capacity

    • D. 

      B and C are correct

  • 14. 
    Which statement best defines Immigration?
    • A. 

      Immigration is the movement out of an area

    • B. 

      Immigration is the movement out and about an area.

    • C. 

      Immigration is the movement in an area.

    • D. 

      Immigration is the movement around an area.

  • 15. 
    What is the growth phase?
    • A. 

      The growth phase is the first section of the graph.

    • B. 

      The growth phase is often seen on the a growth curve on a graph.

    • C. 

      The growth phase is often divided into a lag phase.

    • D. 

      All of the above

  • 16. 
    ______________ is when the population size is still relatively small.
    • A. 

      Growth Phase

    • B. 

      Lag Phase

    • C. 

      Exponential Phase

    • D. 

      Tiny Phase

  • 17. 
    When do we see the exponential phase on a graph?
    • A. 

      When there is a rapid growth in population.

    • B. 

      When there is relatively small growth in population.

    • C. 

      When the exponent is growing in the population

    • D. 

      C is definitely incorrect.

  • 18. 
    _____________________________ occurs when the population total starts to level off due to the limiting factors in its environment.
    • A. 

      Environmental Resistance Phase

    • B. 

      Environmental exponential phase

    • C. 

      Lag Phase

    • D. 

      B and C are correct

  • 19. 
    _____________ is the average increase per year that occurs over a given period of time as a percentage of the total population at the end of the period. 
    • A. 

      Average monthly increase

    • B. 

      Average daily increase

    • C. 

      Average annual increase

    • D. 

      Average bi-annual increase

  • 20. 
    Which statements are true about the Average Annual Increase?
    • A. 

      The average annual increase allows scientists to compare the growth of similar populations in different regions.

    • B. 

      It is also used to predict future growth.

    • C. 

      The average annual increase is not necessary in finding population of organisms.

    • D. 

      A and B are correct

  • 21. 
    True or False. There are two factors limiting growth populations. 
    • A. 

      True, they are: Density Independent Factors and Density-dependent factors

    • B. 

      False, there are three: Density Independent Factors, density-dependent factors and density semi-independent factors.

  • 22. 
    ____________ is the number of individuals in a population in a given space.
    • A. 

      Population Density

    • B. 

      Population Independence

    • C. 

      Lag Phase

    • D. 

      Growth Phase

  • 23. 
    Which statements are true about density independent factors?
    • A. 

      They are environmental conditions that influence population growth

    • B. 

      Examples are weather patterns, fires, floods and earthquakes.

    • C. 

      Density independent factors can be shown using J-shaped Curve

    • D. 

      All of the above

  • 24. 
    The _________ is used to show the growth patterns for organisms controlled by density-independent factors
    • A. 

      J-shaped growth curve

    • B. 

      S-shaped growth curve

    • C. 

      Sigmoidal growth curve

    • D. 

      B and C are correct

  • 25. 
    Which statements are true about density-dependent factors.
    • A. 

      It is a type of control where the population's size increases, so does the demand for food.

    • B. 

      Examples are organisms affected by density-dependent factors are large mammals such as whales.

    • C. 

      All of the above

    • D. 

      None of the above

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