Sponges: Phylum Porifera
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Questions and Answers

What is the primary mode of water transport in sponges?

  • Flow through canals (correct)
  • Transport via specialized tubes
  • Active pumping by specialized cells
  • Diffusion through the body wall

    • What is the main function of the choanocytes in sponges?

  • Respiratory exchange with the environment (correct)
  • Digestion of food particles
  • Formation of gametes
  • Removal of waste materials

    • How do sponges reproduce asexually?

  • By external fertilization of gametes
  • By producing specialized reproductive structures
  • By releasing spores into the environment
  • Through budding and formation of new individuals (correct)

    • What is the role of spicules in sponges?

    <p>Supporting the sponge's body</p> Signup and view all the answers

    What is the nature of fertilization in sponges?

    <p>Internal fertilization followed by release of embryos</p> Signup and view all the answers

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