There are mainly two types of nutritions found in Bacteria– Autotrophic Bacteria and Heterotrophic Bacteria.
Autotrophic Bacteria: These types of bacteria make their own food. Two types of bacteria come under this:
- Photosynthetic Bacteria: These bacteria make their food from light energy. In this, there are bacteria chlorophyll instead of chlorophyll.
- Chemosynthetic Bacteria: These types of bacteria obtain energy by oxidation of inorganic substances such as Nitromonas.
Heterotrophic Bacteria: These bacteria get their food from other organisms. There are three types of these bacteria:
- Parasitic bacteria: They depend on other organisms for their food and they cause diseases.
- Symbiotic bacteria: They obtain food by living in the body of other organisms, such as Rhizobium.
- Saprophytic bacteria: These obtain food from dead remains, such as Lactobacillus.
