All arthropods have bilateral symmetry. This means they have symmetry across one plane (known as the sagittal plane, and directly down the centre of their body), which means one side of their body approximately mirrors the other side.
the special characteristic of starfish are they have an Exoskeleton and Radial symmetry
They're named from there body symmetry
symmetry
Lateral Symmetry.
Bilateral symmetry
bilateral symmetry
turn symmetry
Radial Symmetry
Bilateral symmetry.
Radial symmetry
Bilateral symmetry. All humans have bilateral symmetry.
Radial Symmetry