Assertion(A): In sponges, archaeocytes are totipotent.
Reason( R): They give rise to all types of amoebocytes and are self replicating.
A. Both A) and B) are true and the R) is the correct explanation of A)
B. Both A) and R) are true and the R) is not the correct explnation of A)
C. A) is true statement but R) is false
D. Both A) and R) are false