Read the statements regerding echinoderms and choose th correct option (i) All are marine with orgen system level of orgenisation (ii) Adults are bilaterally symmetrical (iii) They are dioecious (iv) Fertilization is internal an indirect development is observed (v)Truploblastic and scoelomate animals
A. (i) and (iii) are correct
B. (v) alone is correct
C. (i), (iii) and (v) are correct
D. (i) and (v) are correct
