Which of the following is bilaterally symmetrical in larval stages and radially symmetrical in adult?
A. Molluscs
B. Echinoderms
C. Arthropods
D. Annelids
Answer:B
Which of the following is bilaterally symmetrical in larval stages and radially symmetrical in adult?
A. Molluscs B. Echinoderms C. Arthropods D. Annelids