Question

Which of the following organisms is radially symmetrical?

• A. Pila
• B. Echinus
• C. Cucumaria
• D. Both $\left(B\right)$ and $\left(C\right)$

Answer 1

Answer: (D)

Radial Symmetry: A radial animal has a top and a bottom (or an oral and aboral side), but has no head end or rear end and no left or right.