Echinoderm Characteristics Quiz
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Questions and Answers

What type of larvae do echinoderms have?

  • Asymmetric
  • Bilaterally symmetrical (correct)
  • Radially symmetrical
  • Spherically symmetrical

    • What is the function of mutable collagenous tissue (MCT) in echinoderms?

  • Provides rigidity to the body wall (correct)
  • Aids in reproduction
  • Forms the water vascular system
  • Is involved in digestion

    • What is the composition of the mesodermally derived endoskeleton in echinoderms?

  • Calcium sulfate
  • Calcium phosphate
  • Calcium carbonate (correct)
  • Calcium hydroxide

    • What is the function of pedicellariae in echinoderms?

    <p>Defense</p> Signup and view all the answers

    What is the embryogeny type of echinoderms?

    <p>Deuterostomous (mouth second)</p> Signup and view all the answers

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