Modern Adult Echinoderms Have a Form of Symmetry Known As

Question

Modern adult echinoderms have a form of symmetry known as
A)asymmetry.
B)pentaradial.
C)triradial.
D)bilateral.
E)trilateral.

Accepted Answer

Modern adult echinoderms display pentaradial symmetry, meaning they have five equal parts arranged around a central axis. This is a unique type of symmetry found only in echinoderms.