Which of the following organism is not radially symmetrical?

Question

Which of the following organism is not radially symmetrical? (A) Pila (B) Echinus (C) Cucumaria (D) Ctenoplana

Tardigrade Admin · Accepted Answer

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. Examples of animals possessing radial symmetry are: Cnidaria, Ctenophora and Echinodermata.

Q. Which of the following organism is not radially symmetrical?

Pila

Echinus

Cucumaria

Ctenoplana

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. Examples of animals possessing radial symmetry are: Cnidaria, Ctenophora and Echinodermata.