Question
Biology Question on Classification Of Animals
The animals with bilateral symmetry in young stage, and radial pentamerous symmetry in the adult stage, belong to the phylum
A
Annelida
B
Mollusca
C
Cnidaria
D
Echinodermata.
Answer
Echinodermata.
Explanation
Solution
Echinoderms are triploblastic animals with organ system level of organisation. Larval forms possess bilateral symmetry while adults have radial symmetry.