Ch 3: Animal phyla
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Questions and Answers

Which phylum is characterized by the presence of nematocysts for prey capture?

  • Porifera
  • Cnidaria (correct)
  • Platyhelminthes
  • Annelida
  • Which phylum is dorsoventrally flattened and includes parasitic species?

  • Porifera
  • Arthropoda
  • Annelida (correct)
  • Cnidaria
  • Which phylum has a waterproof exoskeleton made of chitin?

  • Platyhelminthes
  • Arthropoda (correct)
  • Chordata
  • Annelida
  • In which phylum do examples like jellyfish and sea anemones belong?

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

    Which phylum is characterized by metameric segmentation and a coelomic body cavity?

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

    Which phylum is known for having a hollow dorsal nerve cord and a post-anal tail?

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

    Which phylum has jointed appendages and an open circulatory system?

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

    Which phylum is acoelomate and known for its sessile lifestyle?

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

    Which phylum has a triploblastic body plan and only one gut opening?

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

    Which phylum demonstrates radial symmetry and two distinct body forms, polyp, and medusa?

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

    Which phylum is primarily known for its segmented body and coelomic fluid-filled body cavity?

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

    Among the listed phyla, which one demonstrates asymmetrical symmetry and cellular-level functioning?

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

    Which phylum exhibits a waterproof exoskeleton and jointed appendages?

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

    In which phylum are the examples of tapeworms and free-living planarians found, known for their parasitic lifestyle?

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

    Which phylum has a diploblastic body plan and presence of nematocysts for prey capture?

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

    Among the phyla mentioned, which one showcases the development of a notochord followed by a hollow dorsal nerve cord and post-anal tail?

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

    Which phylum has an open circulatory system and a triploblastic body plan with bilateral symmetry?

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

    In which phylum do examples like sponges primarily belong, known for their sessile lifestyle and protective spicules?

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

    Which phylum includes examples such as jellyfish and sea anemones, with two distinct body forms, polyp, and medusa?

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

    Among the listed phyla, which one has dorsoventrally flattened organisms with a parasitic lifestyle in some species?

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

    Which phylum exhibits both asymmetrical symmetry and an acoelomate body plan?

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

    Among the listed phyla, which one does not have a coelomate body plan?

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

    Which phylum among the ones described has a digestive system with no gut openings?

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

    Which phylum is characterized by the presence of a notochord in early development?

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

    In which phylum do examples like earthworms belong?

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

    Which phylum's key feature includes metameric segmentation?

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

    Among the phyla mentioned, which one is known for possessing waterproof exoskeletons made of chitin?

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

    Which phylum's examples often include sponges?

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

    In which phylum do examples like crabs, spiders, and insects belong?

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

    Among the listed phyla, which one does not have a diploblastic body plan?

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

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