If you are studying Acrasiomycetes, these are the core biological characteristics that define them:
: These organisms are the ones that actually form a large, continuous "solid piece". During their feeding stage, they form a plasmodium —a giant, single-celled bag of cytoplasm containing millions of nuclei without any internal cell membranes dividing them. 🧬 Key Features of Acrasiomycetes
: They exist as individual, independent amoebas. When food runs out, they swarm together to build a multicellular fruiting body called a sorocarp. Even when tightly packed together to move or build this structure, they remain separate cells with their own individual cell walls or membranes. acrasiomycetes
The confusion likely stems from comparing them to a different group of slime molds. 🔬 Acrasiomycetes vs. Myxomycetes
The class does not form a "solid piece" or a single fused mass at any point in its life cycle. Instead, these organisms are defined as cellular slime molds , meaning they maintain their individual cell membranes at all times. If you are studying Acrasiomycetes, these are the
: The individual amoebas move by abruptly extending lobe-like "false feet" to pull themselves forward.
: Because they never fuse their cell membranes, they are often used by scientists to study how single-celled life evolved the ability to cooperate and build multicellular organisms. When food runs out, they swarm together to
To understand why Acrasiomycetes do not form a solid or continuous piece, it is helpful to look at how they compare to "true" slime molds: