Types of Circulatory System and Symmetry in Animals
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Questions and Answers

Which type of circulatory system involves blood being pumped out of the heart directly to cells and tissues?

  • Open type (correct)
  • Semi-open type
  • Partial type
  • Closed type

    • What is the body plan called when an organism can be divided into identical left and right halves in only one plane?

  • Asymmetry
  • Radial symmetry
  • Bilateral symmetry (correct)
  • Partial symmetry

    • In which group of animals can a plane passing through the central axis of the body divide them into two identical halves?

  • Coelenterates, ctenophores, and echinoderms (correct)
  • Mammals and birds
  • Annelids and arthropods
  • Sponges

    • Which group of animals exhibit diploblastic organization?

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

    Which of the following is NOT a characteristic of animals exhibiting radial symmetry?

    <p>Bilateral symmetry</p> Signup and view all the answers

    What is the undifferentiated layer present between the ectoderm and endoderm in diploblastic animals called?

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

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