Myxomycetes are
(a) saprobes or parasites. having mycelia, asexual reproduction by fragmentation, sexual reproduction by fusion of gametes
(b) slimy mass of multinucleate protoplasm, having pseudopodia-like structures for engulfing food, reproduction through fragmentation or zoospores
(c) prokaryotic organisms, cellular or acellular, saprobes or autotrophic, reproduce by binary fission
(d) eukaryotic, single-celled or filamentous, saprobes or autotrophic, asexual reproduction by fusion of two cells or their nuclei.