what adults have radial symmetry?
sea urchins graptolites humans fur seals barnacles insects h2o gastropod shells
A B C D E F G H
Starfish and sea urchins are also echinoderms.
adult sea urchins have radial symmetry
what adults have radial symmetry? (A) sea urchins (B) graptolites (C) humans (D) fur seals (E) barnacles (F) insects (G) h2o (H) gastropod shells