1. Sea stars and brittle stars are part of what major group of Echinodermata?
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Other questions in this quiz
2. Sea lilies are also known as
- Sea cucumbers
3. What are brittle starfishes arms composed of?
- Jointed, hard plates
- Jointed, soft plates
- Non jointed, hard plates
- Non jointed, soft plates
4. What are spines in sea urchins used for?
- Locomotion and Defence
5. What do the arms of starfish house?
- The mouth
- The Mouth and anus
- The gonads and digestive organs
- The gonads
- The digestive organs