Differences between fungi and bacteria

In biology, there are two basic organisms such as fungi and bacteria. These organisms are a fundamental part of our lives, because many of them are necessary for us and for other living beings, although not all of them are good. In fact, in our body, it is estimated that there are more than 100 billion bacteria and many of them are involved in processes such as food assimilation, vitamin synthesis, among others.

Likewise, fungi are used in some industrial processes for the production of beverages and food. The clearest example of the use of a fungus in industry and at home is yeast, which is used to make bread.

However, to understand their differences, it is first necessary to know their concepts. This will help us understand how they act and the function they fulfill. For this, we must know that all living beings can be classified from the cellular point of view, so we will also cover that topic.


We can point out that fungi are eukaryotic organisms among which we can find yeasts and molds, as well as mushroom producers. Previously, fungi belonged to the plantae kingdom (plants and algae) but it was discovered that they had very particular characteristics, so they were classified in the fungi kingdom.

Mushrooms are used in different areas, some can be consumed due to the vitamins and proteins they provide. In addition, many of them, such as yeasts, are used in industrial processes such as beer production and bread production, since they are involved in the fermentation process. However, not all of them are beneficial, so some affect different materials, such as mold, and some others are poisonous and fatal if consumed.


It is known that batteries are prokaryotic microorganisms, that is, unicellular, that in organic matter and living beings can produce fermentations and also cause diseases. They are considered the most abundant organisms on the planet. They belong to the bacteria kingdom and can be found in both terrestrial and aquatic habitats. Bacteria can grow in the most extreme environments, such as the deep sea and in extremely hot and acidic climates, they can even grow on radioactive waste.

Some bacteria are responsible for decomposition and infections that act on the human body, with some deadly bacterial diseases, such as tuberculosis, responsible for almost two million deaths a year. That is why so-called antibiotics are used worldwide to treat these bacterial infections.

For all the above, in addition to the tacit differences in the definitions, the following comparative table is presented whose purpose is to highlight the evident differences between fungi and bacteria:

Mushrooms bacteria
They are eukaryotic organisms. They are prokaryotic microorganisms.
Fungi are multicellular organisms. Bacteria are single-celled organisms.
All fungi are heterotrophic, they cannot make their own food. They can be autotrophic and heterotrophic, so some can generate their own food and others cannot.
They are all aerobic, so they all need oxygen to thrive. Some are aerobic and some are anaerobic, meaning some need oxygen and some don’t.
Fungi reproduce sexually and asexually, by fragmentation, budding (asexual), and spores. Batteries reproduce asexually, through binary fission or bipartition that gives rise to two daughter cells, resulting in exponential growth.

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