Bacteria vs Fungi| Bacteria | Fungi |
| Bacteria are prokaryotic (without true nucleus) organisms | Fungi are eukaryotic (with true nucleus) organisms |
| Bacteria can be both producers and decomposers of the ecosystem. Producers include chemosynthetic bacteria in deep sea vent ecosystem and photosynthetic bacteria. Majority of soil bacteria are decomposers. | Fungi generally are the decomposers of the ecosystem |
| Most bacteria grow best around neutral pH values (6.5 - 7.0) | Most fungi grow best around slightly acidic pH (4-6) |
| Bacteria are unicellular organisms that are visible only under microscope | Fungi are unicellular (Yeast) or multi-cellular filamentous organisms with hyphae and mycelium. |
| Bacterial cell is without true nucleus and membrane bound organelles | Fungal cell is with true nucleus and membrane bound organelles |
| Bacterial cell wall is made up of peptidoglycan (except in archaebacteria) | Fungal cell wall is made up of chitin |
| Sterols are absent in cell membrane (except in Mycoplasma) | Sterols are present in cell membrane |
| Mode of nutrition is heterotrophic, chemoautotrophic, photoautotrophic, aerobic, anaerobic or facultatively anaerobic | Mode of nutrition is heterotrophic (without chlorophyll) living either as saprophytes; feeding on dead or decayed matter or as parasites. Generally aerobic or facultatively anaerobic |
| Bacteria reproduce by binary fission | Fungus reproduce by variety of sexual and asexual spores |
| Bacteria are sensitive to antibiotics like Penicillin, Chloramphenicol etc but resistant to Griseofulvin | Fungi are resistant to antibiotics like Penicillin, Chloramphenicol etc but sensitive to Griseofulvin |
| Example of Bacteria: Curd bacteria (Lactobacillus lactis), Escherichia coli, faecal bacteria causing food poisoningLearn more: Classification of Bacteria Gram + ve and Gram -ve bacteriaEubacteria & Archaebacteria | Example of Fungi: White button mushroom (Agaricus bisporus); Brewer's yeast (Saccharomyces cerevisiae)Learn more:20 examples of FungiClassification of Fungi |
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