Practice Quiz

CLEP Natural Sciences - Biological Science - Question List

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86. The bones that make up the forelimbsof monkeys, cats, whales, and birds aresimilar. Which of the following statementsbest supports the evolutionary relationship of these animals?
  1. The animals have differentancestries but have adapted to similar environments.
  2. The animals share a common ancestry but have adapted to different environments.
  3. The animals at one time lived in different environments but now share an environment.
  4. The animals use their forelimbs for identical activities but live in different environments.
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87. Scientists have found geysers on one of Saturn’s moons. The geysers release water vapor containing complex organic compounds, which may indicate the presence of life. Which of the following elements is most likely abundant in the organic compounds in the water vapor?
  1. carbon
  2. chlorine
  3. iron
  4. zinc
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88. The willow flycatcher is a bird species with a summer range throughout much of the United States. Which of the following would directly decrease the size of a willow flycatcher population in a given year?
  1. the disappearance of a species that preys on willow flycatchers
  2. the arrival of migrating willow flycatchers from populations inother areas
  3. the emigration of male willow flycatchers that did not secure territories
  4. the hatching of a larger percentage of eggs in the willow flycatcher population
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