Question

difference between radial and biradial symmetry

Answer 1

Radial symmetry: an organism can be divided into equal haves through any plane.
eg: coelentrates.
Biradial symmetry: its a combination of radial symmetry and bilateral symmetry.
eg: ctenophores

hope it helped you

Answer 2

' Radial Symmetry ' means, the body of the individual can be divided into equal halves by any plane passing through the centre from top to bottom.
Eg. In Cnidaria, Sponges and Echinoderms.

'Biradial Symmetry' means, when the body can be divided into two similar halves by one or two vertical planes only.
Eg. In Sea Anemones.

Hope this helps!