Difference between Heterotrophic and Autotrophic Bacteria
A. Heterotrophic bacteria (Heterotrophs): They are most abundant in nature. They do not synthesize their own food but depend on other organisms or on dead organic matter for food. They may be parasites, saprophytes or symbiontes. (a) Parasites: They live on other organisms called the host, from which they obtain food. e.g. Streptococcus, Clostridium, Mycobacterium tuberculosis etc. Disease causing parasites [...]