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Populations and Biological Communities

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45 questions

  • 1. Open Ended
    30 seconds
    1 pt
    Which of these larger organisms has a Type I survivor-ship curve? A - A songbird B - A gorilla C - A giant sequoia D - An insect
  • 2. Open Ended
    30 seconds
    1 pt
    According to the r/K selection theory, an r-selected species has which of the following characteristics? A - It is best suited to live in an unstable environment, it is short-lived, and produces a large number of offspring, each of which receives little parental investment. B - It is best suited to live in a stable environment, it is short-lived, and produces a large number of offspring, each of which receives little parental investment. C - It is best suited to live in a stable environment, it is long-lived, and produces a small number of offspring, each of which receives a lot of parental investment. D - It is best suited to live in an unstable environment, it is short-lived, and produces a large number of offspring, each of which receives a lot of parental investment.
  • 3. Open Ended
    30 seconds
    1 pt
    Which of the following is a key feature of the life histories of species that have a Type III survivor-ship curve? A - A relatively steady death rate throughout the species' entire life history B - Production of a small number of offspring, each of which receives a lot of parental investment C - Production of a large number of small offspring, each of which receives little parental investment D - A high death rate in the oldest age groups
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