Population Growth and Carrying Capacity
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Population Growth and Carrying Capacity

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Questions and Answers

At the carrying capacity, what is the relationship between the birth rate and the death rate?

  • Birth rate equals the death rate (correct)
  • Birth rate is lower than the death rate
  • Birth rate is higher than the death rate
  • Death rate is higher than the birth rate

    • What is a characteristic of exponential growth?

  • Population growth is slow and steady
  • Population growth is always linear
  • Population growth is rapid and accelerating (correct)
  • Population growth slows down initially

    • What happens to the population size when it exceeds the carrying capacity of the environment?

  • It remains constant
  • It continues to grow exponentially
  • It fluctuates above and below the carrying capacity
  • It drops below the carrying capacity (correct)

    • What can attract additional predators to the rising prey population?

    <p>Rising prey population</p> Signup and view all the answers

    What is the result of the accumulation of wastes in the environment?

    <p>An increase in diseases and poor health</p> Signup and view all the answers

    What was the primary reason for the slow growth of human population for most of human existence?

    <p>Limited availability of food and prevalence of diseases</p> Signup and view all the answers

    What is a major factor contributing to the exponential growth of human population in recent centuries?

    <p>Improved sanitation and living conditions</p> Signup and view all the answers

    What is the primary concern regarding the exponential growth of human population?

    <p>The planet's inability to support a large population</p> Signup and view all the answers

    Which of the following is NOT a factor that contributes to a country's high population growth rate?

    <p>High emigration rate</p> Signup and view all the answers

    What is the field of study that focuses on human populations?

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

    What happens to the growth rate as a population reaches its carrying capacity?

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

    What is a limiting factor that is dependent on population size called?

    <p>Density-dependent limiting factor</p> Signup and view all the answers

    What is an example of a limiting factor that can affect population growth?

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

    Why are the exponential model and the logistic model not accurate representations of real populations?

    <p>They assume the carrying capacity is constant</p> Signup and view all the answers

    What is the definition of population density?

    <p>The number of organisms per unit area</p> Signup and view all the answers

    What happens to the growth of a population when resources become limited?

    <p>The population growth slows or stops</p> Signup and view all the answers

    Under what conditions will a population grow exponentially?

    <p>When there are unlimited resources and ideal conditions</p> Signup and view all the answers

    What is a limiting factor that can restrain the growth of a population?

    <p>Competition for limited resources</p> Signup and view all the answers

    What shape is the growth curve of a population experiencing exponential growth?

    <p>J-shaped</p> Signup and view all the answers

    What can occur as a result of exponential growth in a population?

    <p>The population will experience increased competition between members</p> Signup and view all the answers

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