Ecology: Population Dispersion and Dispersal
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Questions and Answers

What technology is used to track aquatic animals in their natural habitat?

  • Satellite imaging
  • Radio frequency identification
  • Acoustic telemetry (correct)
  • GPS tracking collars
  • What is a key factor that influences the distribution of populations and species?

  • Ecological suitability (correct)
  • Geographical barriers
  • Human population growth
  • Climate change
  • What is a fundamental concept in ecology that refers to the full range of environmental conditions under which a species can survive?

  • Habitat fragmentation
  • Realized niche
  • Ecological suitability
  • Fundamental niche (correct)
  • What is a common method used by ecologists to study population characteristics?

    <p>Mark-release-recapture</p> Signup and view all the answers

    What is a key life history trait that varies among species?

    <p>Reproductive strategy</p> Signup and view all the answers

    What is the primary pattern of dispersion found in most populations?

    <p>Clustered or clumped</p> Signup and view all the answers

    What is an essential aspect of understanding population dynamics?

    <p>Population density</p> Signup and view all the answers

    What is the primary influence on density variations among species?

    <p>All of the above</p> Signup and view all the answers

    What is a key factor in understanding population growth?

    <p>Density dependence</p> Signup and view all the answers

    What is an important characteristic of populations?

    <p>All of the above</p> Signup and view all the answers

    What pattern of dispersion is least commonly observed?

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

    What is the primary difference between active and passive dispersal?

    <p>The ability to decide direction</p> Signup and view all the answers

    What type of dispersal refers to the movement of pre-reproductive individuals from their birthplace to another location?

    <p>Natal dispersal</p> Signup and view all the answers

    Which of the following is an example of passive dispersal?

    <p>A seed dispersing through the wind</p> Signup and view all the answers

    What is the primary benefit of dispersal in terms of avoiding competition?

    <p>Avoiding crowding and competition with other individuals</p> Signup and view all the answers

    What is a potential cost of dispersal in terms of the individual's reproductive success?

    <p>Increased energy investment</p> Signup and view all the answers

    Why is dispersal research considered important in ecology?

    <p>It is essential for range expansion and colonization of new areas</p> Signup and view all the answers

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