What is the critical difference between gemmulation and fragmentation?

A)Gemmulation is sexual and fragmentation is asexual
B)Gemmulation is haploid and fragmentation is diploid
C)If sponges fragment,it is called gemmulation
D)Fragmentation involves providing a resistant layer of cells for a capsule;gemmulation is merely breaking off chunks of tissue to grow a new organism
E)Gemmulation involves providing a resistant layer of cells for a capsule;fragmentation is merely breaking off chunks of tissue to grow a new organism