Bacteria and Archaea are general single-celled organisms, but some phyla form sheaths around multiple cells to facilitate attachment and filament formation.

Question

Quizplus · Accepted Answer

Some phyla of bacteria and archaea do indeed form sheaths around multiple cells, which helps them attach to surfaces and form filaments. Examples include the cyanobacteria and the Proteobacteria.

Bacteria and Archaea Are General Single-Celled Organisms, but Some Phyla