The animal with bilateral symmetry in young stage and radial pentamerous symmetry in the adult stage belongs to the phylum
Options
(a) Annelida
(b) Mollusca
(c) Cnidaria
(d) Arachnida and crustacea
Correct Answer:
Arachnida and crustacea
Explanation:
The animal with bilateral symmetry in young stage and radial pentamerous symmetry in the adult stage belongs to the phylum Arachnida and crustacea.