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Biological Adaptations to Environmental Conditions
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Biological Adaptations to Environmental Conditions

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Questions and Answers

What is the primary purpose of endotherms' morphological adaptations in cold environments?

  • To increase energy expenditure
  • To increase surface area
  • To reduce water loss through skin
  • To maintain body temperature (correct)
  • What is the driving force behind the evolutionary adaptation of species to their environmental conditions?

  • Mutation
  • Gene flow
  • Genetic drift
  • Natural selection (correct)
  • What is the characteristic of mammals from colder climates, according to Allen's rule?

  • Longer ears and limbs
  • Increased erythrocyte production
  • Thicker fur coats
  • Shorter ears and limbs (correct)
  • What is the advantage of source–sink metapopulations?

    <p>It prevents long-term extinction</p> Signup and view all the answers

    What is the characteristic of the spacing pattern of individuals in a population, where they do not interact strongly with one another?

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

    What is the result of a population bottleneck in a metapopulation?

    <p>A decrease in the number of dispersers</p> Signup and view all the answers

    What is the adaptation of desert frogs that helps them conserve water?

    <p>Evolved a greatly reduced rate of water loss through skin</p> Signup and view all the answers

    What is the effect of the northward expansion of trees after the glaciers retreated?

    <p>An increase in plant and animal populations</p> Signup and view all the answers

    What is the reason for the survival of some populations of the Glanville Fritillary Butterfly?

    <p>Continual immigration of individuals from other populations</p> Signup and view all the answers

    What is the characteristic of the behavioral response of moving from one habitat to another?

    <p>Coping with environmental changes</p> Signup and view all the answers

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