In leaf cutter ant colonies, the ants clip leaves to feed a fungus garden and then the ants feed on the fungus. Is this a mutual
istic relationship? No, the ants are parasites on both the leaves and fungus. Yes, the ants and the trees are in a mutualistic relationship. Yes, the ants and the fungus are engaged in a mutually beneficial symbiotic relationship. No, the ants are leaf parasites but have no relationship with the fungus.
Structure. A hypha consists of one or more cells surrounded by a tubular cell wall. In most fungi, hyphae are divided into cells by internal cross-walls called "septa" (singular septum). Septa are usually perforated by pores large enough for ribosomes, mitochondria and sometimes nuclei to flow between cells.
