Ecology: Limiting Factors and Population
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Questions and Answers

What is the primary reason behind a population's size growing beyond its ecosystem's support?

  • Decrease in predation
  • Biotic potential of the species (correct)
  • Increase in the carrying capacity of the environment
  • Lack of natural disasters
  • What happens to the population size of spiders when there is an overpopulation of birds in a community?

  • It decreases (correct)
  • It fluctuates
  • It increases
  • It remains the same
  • What is the term for the maximum population size that an environment can support?

  • Overpopulation
  • Carrying capacity (correct)
  • Limiting factor
  • Biotic potential
  • Which of the following is an example of a limiting factor that can decrease population size?

    <p>Natural disasters</p> Signup and view all the answers

    What is the consequence of a population's size decreasing to a very low level?

    <p>Extinction</p> Signup and view all the answers

    Which of the following is an example of a population that has decreased in size due to human activities?

    <p>Giant moa</p> Signup and view all the answers

    What is the term for a species that has died out and no individuals are left?

    <p>Extinct</p> Signup and view all the answers

    What is the primary reason behind the extinction of the giant moa?

    <p>Hunting by humans</p> Signup and view all the answers

    What can happen to a population's size when there is a decrease in food availability during winter?

    <p>It decreases</p> Signup and view all the answers

    What is the term for the maximum rate of growth of a population under ideal conditions?

    <p>Biotic potential</p> Signup and view all the answers

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