Difference Between Protists and Fungi

Protists and fungi are the two categories of five kingdom classification by R.H. Whittaker in 1969. The five categories are Monera, Protista, Fungi, Planitia, and Animalia. These belong to the field of zoology.

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According to the history of evolution, these lower-level animals are the organisms having the simplest systems in their bodies. Some of these are visible, and others are invisible in the human eye.

But they exist in the biosphere as the other animals. Both of these are eukaryotes but have other differences among them. So here are few differences between protists and fungi.

Protists vs Fungi

The difference between the protists and the fungi is the cell structure between them. The protists are unicellular, whereas the fungi are multi-cellular. The protists are invisible in the naked eye, but the fungi are visible in the naked eye. They also adopt different modes of nutrition like protists have nearly all kinds of modes of nutrition, but fungi possess only either saprophytic or heterotrophic mode.

Protists vs Fungi

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Protists are unicellular organisms. Some of them have protective cell walls. They are mostly autotrophs that are they can prepare their food. These organisms are very small are invisible to the naked human eye.

These are observed with the help of a microscope. Some of them use the heterotrophic, saprophytic, or parasitic mode of nutrition to lead life.

 Fungi are multi-cellular organisms. All the organisms of this category have cell walls in them, but they are in the absence of cellulose. These animals cannot prepare their food and have to depend on other sources.

That is, they are heterotrophs. These organisms can be observed by the human eye. This category has seven types of groups of organisms under the category.

Comparison Table

Parameters of comparisonProtistsFungi
Body organization  Cellular  Multi-cellular  
Cell sizeMicroscopicIt can be observed in the naked eye
Cell wallPresent in somePresent in all (without cellulose)
Mode of nutritionThey are either autotrophs, heterotrophs, saprophytes or parasites.  They are mostly saprophytic, and some of them are also heterotrophic.
ExampleGreen algae, slime moulds, dinoflagellates, euglenoids, amoeba etc.Mushroom, yeast, Penicillium, Rhizopus, etc.

What are Protists?

Protists are unicellular organisms. Some of them have protective cell walls. They are mostly autotrophs that are they can prepare their food. But there can be other modes also in some other organism under the same category.

Some of them use heterotrophic, saprophytic, or parasitic modes of nutrition to lead life. These organisms are very small are invisible to the naked human eye. These are observed with the help of a microscope. 

Protists can reproduce both sexually and asexually. The asexual mode of reproduction is done via binary fission. The sexual mode of reproduction occurs via the production of gametes.

There are mainly three types of protists that are protozoans, algae, and mould. The protozoans are animal-like protists. They can engulf their food particles and digest to obtain the nutrients.

The protozoans can move with the help of flagella and pseudopodia present in them. Algae are mostly unicellular and autotrophic. They are plant-like organisms. They are chlorophyll in their cell through which they can do photosynthesis

Moulds are mainly fungus-like organisms, multi-cellular eukaryotes. They use the saprophytic mode of nutrition to lead their living. Mostly depend on the dead and decaying leaves. They are a giant amount in the category of protists. Some examples of protists are Dinoflagellets, Euglenoids, etc. 

protists

What are Fungi?

Fungi are multi-cellular organisms. All the organisms of this category have cell walls in them, but they are in the absence of cellulose. Their cell wall is made up of chitin and polysaccharides.

These animals cannot prepare their food and have to depend on other sources, which is they are heterotrophs. These organisms can be observed by the human eye. This category has seven types of groups of organisms under the category.

Fungi can reproduce both by sexual and asexual mode. The asexual mode of reproduction occurs via pores formation, whereas the sexual mode of reproduction occurs via mating. They mostly adapt to the heterotrophic mode of nutrition. They cannot make their food due to the absence of chlorophyll in them. They also adapt the saprophytic mode of nutrition. That is, they depend on the dead and decaying matters to obtain their required nutrients.

Some fungi also remain in a symbiotic relationship with other organisms or plants to take nutrients. Seven types of fungi are Microsporidia, Ascomycota, Glomeromycota, Basidiomycota, Chitridiomycota, Neocallimastigomycota, and Blastigomycota.

Fungi are a very important category of an organism for the environment as they facilitate the process of decaying the dead matter and making t a simpler form. Some examples of fungi are mushrooms, yeasts, Penicillium, Rhizopus, etc.

fungi

Main Differences Between Protists and Fungi

  1. The protists are a mostly unicellular organism, whereas the fungi are multi-cellular organisms
  2. The protists are microscopic animals that are they are invisible to the naked human eye. On the other hand, the fungi can be observed in naked eyes.
  3. Some of the protists have cell walls present in them, but all the fungi have cell walls present. Their cell wall is made up of chitin and polysaccharides. 
  4. The protists can be either autotroph, heterotrophs, saprophytes, or parasites. But the fungi are mainly heterotrophs and saprophytes.
  5. Some examples of protists are dinoflagellates, euglenoids, etc., and some examples of fungi are mushroom, yeast, penicillium, rhizopus, etc.
Difference Between Protists and Fungi
References
  1. https://academic.oup.com/sysbio/article-abstract/56/4/684/1685317
  2. https://books.google.com/books?hl=en&lr=&id=SApIn7IEnucC&oi=fnd&pg=PT11&dq=fungi&ots=CosoqyamBu&sig=Olx4NGvrGmrR_5XVQUbsB_jt75k
  3. https://books.google.com/books?hl=en&lr=&id=K2Y4AAAAIAAJ&oi=fnd&pg=PR9&dq=protists&ots=BxLavn7dQB&sig=_XhzRiHYYpSCRRo9OGC56Nq6ULQ

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