Classify bacteria on the basis of its nutrition type . Write an example of each category
Question
Classify bacteria on the basis of its nutrition type. Write an example of each category.
Solution
Bacteria can be classified on the basis of their nutrition type into four main categories:
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Autotrophic Bacteria: These bacteria are capable of synthesizing their own food from inorganic substances. They use sunlight, carbon dioxide, and water to prepare their food through the process of photosynthesis. An example of autotrophic bacteria is Cyanobacteria.
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Heterotrophic Bacteria: These bacteria cannot synthesize their own food. They depend on other organisms or dead organic matter for their nutrition. An example of heterotrophic bacteria is Escherichia coli.
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Saprophytic Bacteria: These bacteria obtain their nutrition from dead and decaying organic matter. They play a crucial role in the decomposition of organic matter. An example of saprophytic bacteria is Pseudomonas.
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Parasitic Bacteria: These bacteria live on or inside the body of the host organism and derive their nutrition directly from the host. They may cause harm to the host organism. An example of parasitic bacteria is Mycobacterium tuberculosis.
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