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Le Hw4.3.5

9 Questions
Le Hw4.3.5

These questions deal with evolution, homologous structures, and evolutionary trees. REMEMBER: PERIOD# followed by FIRST & LAST NAME

Questions and Answers
  • 1. 
    Evolution is the process of the
    • A. 

      Development of one-celled organisms from mammals

    • B. 

      Change in species over long periods of time

    • C. 

      Embryonic development of modern humans

    • D. 

      Changing energy flow in food webs

  • 2. 
    Evolution is often represented as a branching tree diagram similar to the one shown below.  The names shown represent different groups of organisms alive today; the lines represent their evolutionary histories. The statement that is best supported by the diagram is that
    • A. 

      Annelida and Arthropoda have an ancestor in common

    • B. 

      Echinodermata are more closely related to Mollusca than they are to Chordata

    • C. 

      Mollusca and Arthropoda probably evolved before Porifera

    • D. 

      Annelida and Arthropoda evolved from Echinodermata

  • 3. 
    The study of fossils has allowed scientists to
    • A. 

      Describe past environments and the history of life

    • B. 

      Study present ocean temperatures at different depths

    • C. 

      Analyze the chemical composition of sedimentary rocks and minerals

    • D. 

      Describe the details of the process by which life began on Earth

  • 4. 
    The process by which a species passes out of existence is known as
    • A. 

      Endangerment

    • B. 

      Deforestation

    • C. 

      Extinction

    • D. 

      Adaptation

  • 5. 
    The bones in the forelimbs of three mammals are shown below. For these mammals, the number, position, and shape of the bones most likely indicates that they may have
    • A. 

      Developed in a common environment

    • B. 

      Developed from the same earlier species

    • C. 

      Identical genetic makeup

    • D. 

      Identical methods of obtaining food

  • 6. 
    Base your answers to this question on the diagram below, which represents the relationships between animals in a possible canine family tree, and on your knowledge of biology. According to the diagram, which group of organisms has the most closely related members?
    • A. 

      Cats, weasels, and wolves

    • B. 

      Bears, raccoons, and hyena dogs

    • C. 

      Jackals, foxes, and domestic dogs

    • D. 

      African hunting dogs, hyena dogs, and domestic dogs

  • 7. 
    Base your answers to this question on the diagram below, which represents the relationships between animals in a possible canine family tree, and on your knowledge of biology. According to the canine family tree, weasels, foxes, and domestic dogs all most likely originated from the
    • A. 

      Wolf

    • B. 

      Bear dog

    • C. 

      Marctus

    • D. 

      Miacis

  • 8. 
    The diagrams below show the bones in the forelimbs of three different organisms. Similarities in the bone arrangements support the hypothesis that these organisms
    • A. 

      Are members of the same species

    • B. 

      May have descended from the same ancestor

    • C. 

      Have adaptations to survive in different environments

    • D. 

      All contain the same genetic information

  • 9. 
    The diagrams below show the bones in the forelimbs of three different organisms. Differences in the bone arrangements support the hypothesis that these organisms
    • A. 

      Are members of the same species

    • B. 

      May have descended from the same ancestor

    • C. 

      Have adaptations to survive in different environments

    • D. 

      All contain the same genetic information

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