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Population

Quiz by Marilyn Nales Torres

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15 questions
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  • Q1

    Exponential growth refers to any pattern of increase of the size of a plant or animal population.

    false
    true
    True or False
    30s
  • Q2

    Explosive growth better characterizes logistic growth than exponential growth.

    false
    true
    True or False
    30s
  • Q3

    When a population overshoots its carrying capacity, resources become limited and death rates rise.

    true
    false
    True or False
    30s
  • Q4

    Population growth patterns over time typically

    D) Population growth patterns over time typically

     A) follow a smooth J curve form.

    C) exhibit erratic fluctuations caused by readily discernable factors.

    B) follow a smooth S curve form.

    30s
  • Q5

    Logistic strategies are better adapted to

    C) organisms present in early successional stages.

    A) environments experiencing erratic, unpredictable swings in chemical or physical factors. 

    D) fairly stable environments.

    B) situations where resource utilization can be maximized through a rapid increase in population size.

    30s
  • Q6

    Many species exhibit both exponential (__________) and logistic (_________) population growth characteristics.

    B) K selected; r selected

    A) r selected; K selected 

    30s
  • Q7

    Exponential growth would be represented by a ____ curve?

    A) J-shaped 

    C) straight

    B) S-shaped

    30s
  • Q8

    Carrying capacity is the population

    Of a species that an environment can support on a long-term basis 

    That remains after a catastrophic dieback has occurred

    That an environment can support in an optimal year 

    30s
  • Q9

    A dieback or population crash, often occurs after a species ________ its environmental carrying capacity.

    A) Meets 

    B) Undershoots

    C) Overshoots

    30s
  • Q10

    Widespread starvation is an example of _________ population control.

    Predator-caused  

    Density-independent

    Density-dependent

    30s
  • Q11

    The demographic transition generally accompanies economic development.

    true
    false
    True or False
    30s
  • Q12

    Age structure graphs express 

    the proportion of a population at various ages.

    true
    false
    True or False
    30s
  • Q13

    In general, countries with the highest fertility rates are those

     

    A) with the greatest untapped natural resources. 

    C) with the highest life expectancies.

    B) among the poorest on earth.

    30s
  • Q14

    Human population growth most closely resembles:

    S-shaped growth curve

    J-shaped growth curve

    30s
  • Q15

    The main cause of world population growth in the past 300 years has been

     Falling mortality due to longer life expectancy

      Increasing fecundity 

    Rising fertility

    30s

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