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Questions and Answers

Which phylum is considered the most basic animal phylum?

  • Phylum Cnidaria
  • Phylum Platyhelminthes
  • Phylum Mollusca
  • Phylum Porifera (correct)

What is the main mode of feeding for all porifera?

  • Filter feeding
  • Predatory feeding
  • Suspension feeding (correct)
  • Herbivorous feeding

Do porifera have any terrestrial species?

  • There is no information about terrestrial porifera
  • No, all porifera are aquatic (correct)
  • Porifera can live both in water and on land
  • Yes, some porifera can live on land

Which cell layer is responsible for generating flow and driving water out of the osculum?

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

What is the function of the ostium in porifera?

<p>Inflow of water (D)</p> Signup and view all the answers

True or false: Porifera have the ability to move unlike other animals?

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

True or false: Porifera evolved in different ways during different evolutionary time?

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

True or false: Choanocytes are unique to porifera and no other phyla have these cells?

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

True or false: Porifera have both marine and freshwater species?

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

True or false: The outer layer of porifera is known as the pinacoderm?

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

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