Arthropod Leg Segments Quiz
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Questions and Answers

How many segments per leg do modern arthropods have?

  • Twelve
  • Eight or fewer (correct)
  • Up to eleven
  • Ten

    • What is the meaning of 'dactylus' in relation to the arthropod leg?

  • Toe
  • Finger (correct)
  • Elbow
  • Knee

    • What is the difference between a biramous and uniramous limb in arthropods?

  • A uniramous limb has more segments than a biramous limb.
  • A uniramous limb can bend in multiple planes, while a biramous limb can only bend in one plane.
  • A biramous limb has a ball-and-socket joint, while a uniramous limb does not.
  • A biramous limb branches into two, while a uniramous limb comprises a single series of segments. (correct)

    • What is the meaning of 'coxa' in relation to the arthropod leg?

    <p>Hip (B)</p> Signup and view all the answers

    Why is it difficult to prove homologies of leg segments between arthropod groups?

    <p>Homologies are difficult to prove due to the source of much argument among authors. (A)</p> Signup and view all the answers

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