Define the following terms:
$(i)$ Asymmetrical
$(ii)$ Radial symmetry
$(i)$ Asymmetrical
$(ii)$ Radial symmetry
(N/A) $(i)$ Asymmetrical: When any plane that passes through the center of the body does not divide it into two equal halves,it is called asymmetrical. Example: Sponges.
$(ii)$ Radial symmetry: When any plane passing through the central axis of the body divides the organism into two identical halves,it is called radial symmetry. Example: Coelenterates,Ctenophores,and Echinoderms.
$(ii)$ Radial symmetry: When any plane passing through the central axis of the body divides the organism into two identical halves,it is called radial symmetry. Example: Coelenterates,Ctenophores,and Echinoderms.
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