What is the main characteristic of the phylum Porifera? (2021)

Practice Questions

Q1
What is the main characteristic of the phylum Porifera? (2021)
  1. Presence of a true coelom
  2. Body symmetry
  3. Presence of pores
  4. Presence of a notochord

Questions & Step-by-Step Solutions

What is the main characteristic of the phylum Porifera? (2021)
  • Step 1: Understand that Porifera is the scientific name for sponges.
  • Step 2: Learn that sponges are simple aquatic animals.
  • Step 3: Identify that the main feature of sponges is their body structure.
  • Step 4: Recognize that sponges have many small openings called pores or ostia.
  • Step 5: Conclude that these pores allow water to flow through the sponge, which is essential for their feeding and breathing.
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