Question Detail
Question
What type of symmetry is characteristic of adult echinoderms, such as starfish and sea urchins?
Correct Answer
Option C is the correct answer.
Detailed Explanation
The 'Phylum Echinodermata (Spiny Skins)' section states, 'Symmetry: Adults radial (usually pentamerous), larvae bilateral - secondarily derived radial symmetry.' The 'Key Anatomical Features Across Animal Phyla' and 'Comparative Summary' tables confirm radial symmetry for adult echinoderms.
Hint
Remember that while their larvae are bilateral, the adults of echinoderms develop a different type of symmetry.