One way that saprobes and parasites are different in which material they consume. Saprobes eat dead plants and animals, while parasites steals food from living host organisms.
Not all fungi are parasites; only some of them are. Most are saprobes, decaying dead organic matter.
saprobes
do not know what a saprobes is but herbivores only eat plants, carnivores only eat meat and omnivores eat meat and veggies, now go buy me a pizza
Protists are a diverse group of eukaryotic organisms that do not fit into other kingdoms like plants, animals, or fungi. They can be unicellular or multicellular and exhibit a wide range of forms and lifestyles. Protists play various ecological roles, from being photoautotrophs to predators, parasites, and saprobes.
parasites
It grows and lives on a host. Since the host provides the nutrients for life and the fungus grows off of that, it makes it a parasite. more info http://www.merriam-webster.com/dictionary/parasite
parasites, predators, and competing plants
Parasites.
The most general answer is a consumer, which is then divided into carnivores (which eat other animals), herbivores (which eat plants) and detrivores (which eat non-living organic material).
Fungi don't have leaves or roots and are not producers. They don't photosynthesize, and they have cell walls made out of chitin. Plants have cellulose, pectin, and hemicellulose in their cell walls. Thus Fungi don't make their own food and they lack chlorophyll. Most plants are autotrophs, though a few are heterotrophs. Some heterotrophic plants actually rely upon fungi to provide their nutrition via the roots. Fungi are heterotrophic and can function ecologically as saprobes, pathogens, parasites and mutualists (e.g. lichens and mycorrhizas). Many fungi produce thalli (bodies) composed of mycelium made up of hyphae, plants do not.
As epiphytes or parasites some plants depend on other plants.