In the phylum, Mollusca through there is bilateral symmetry, but it is lost in some forms, due to the phenomenon, called asA. AsymmetryB. TorsionC. ReversionD. Invagination
In the phylum, Mollusca through there is bilateral symmetry, but it is lost in some forms, due to the phenomenon, called asA. AsymmetryB. TorsionC. ReversionD. Invagination










