Question Detail
Question
While adult Echinodermata typically exhibit radial symmetry, their larval forms are described as having which type of symmetry?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Under 'Phylum Echinodermata (Spiny Skins)', it states: 'Symmetry: Adults radial (usually pentamerous), larvae bilateral - secondarily derived radial symmetry.'
Hint
This phylum undergoes a significant developmental change in symmetry.