based on the size scale indicate by the micrographs in a cellular slime mold fruiting body a millimeter - micrometer-, or nanometer-scale structure? how does the size of a fruiting body compare with that of the cells you observe earlier?

Slime Molds ... A distinguishing morphological difference between the two groups is the vegetative state of cellular slime molds in a haploid amebiod cell, whereas the vegetative state of acellular slime molds is a multinucleate diploid ameboid mass called a plasmodium.