Much of a filamentous fungus’s life involves infiltrating organic tissue: weaving its hyphae between cells in decaying animals, for example, or, in the case of some pathogenic species, invading plants ...

Their cell structure is simpler than the cells of animals, plants and fungi. Size Most are 5 μm - 100 μm. Most are 0.2 μm - 2.0 μm. Outer layers of cell Cell membrane, surrounded by cell wall ...