Other questions in this quiz

2. Two of the groups have spicules made of

  • Silica
  • Calcium carbonate

3. What are Sponges hard skeletal elements called?

  • Spines
  • Chanocytes
  • Spicules
  • Tube feet

4. How many species of sponges are there?

  • 6,500
  • 2,500
  • 8,500
  • 4,500

5. Sponges have complicated body plans

  • False
  • True

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