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

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

<p>Annelida (C)</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 (A)</p> Signup and view all the answers

Which phylum has jointed appendages and an open circulatory system?

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

Which phylum is acoelomate and known for its sessile lifestyle?

<p>Porifera (D)</p> Signup and view all the answers

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

<p>Platyhelminthes (C)</p> Signup and view all the answers

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

<p>Cnidaria (D)</p> Signup and view all the answers

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

<p>Platyhelminthes (C)</p> Signup and view all the answers

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

<p>Porifera (A)</p> Signup and view all the answers

Which phylum exhibits a waterproof exoskeleton and jointed appendages?

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

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

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

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

<p>Arthropoda (D)</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 (D)</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 (C)</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 (B)</p> Signup and view all the answers

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

<p>Cnidaria (C)</p> Signup and view all the answers

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

<p>Porifera (D)</p> Signup and view all the answers

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

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

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

<p>Annelida (D)</p> Signup and view all the answers

In which phylum do examples like earthworms belong?

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

Which phylum's key feature includes metameric segmentation?

<p>Platyhelminthes (D)</p> Signup and view all the answers

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

<p>Arthropoda (C)</p> Signup and view all the answers

Which phylum's examples often include sponges?

<p>Cnidaria (A)</p> Signup and view all the answers

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

<p>Platyhelminthes (A)</p> Signup and view all the answers

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

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

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