Difference between Heterotrophic bacteria and Autotrophic bacteria
Difference between Heterotrophic bacteria and Autotrophic bacteria are in tabular form below –
No. |
Heterotrophic bacteria |
Autotrophic bacteria |
Definition |
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1. | Bacteria which are unable to make their own food, But they need other organisms or dead matter for their food are known as Heterotrophic bacteria. | Autotrophic bacteria which can make their own food from substances like CO2 and hydrogen donor are known as Autotrophic bacteria. |
Types |
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2. | Heterotrophic bacteria can be saprophytes, parasites or symbionts. | Autotrophic bacteria can be chemoautotrophic or photoautotrophic. |
Source of energy |
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3. | They do not need an external source of energy. | They need an external source of energy. |
Known as |
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4. | Heterotrophic bacteria are also known as consumers because they take nutrients from outside source. | Autotrophic bacteria are also known as producers because they can make their own food. |
Food chain |
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5. | In the food chain, heterotrophic bacteria are at the primary level. | In the food chain, autotrophic bacteria are at the secondary level. |
Source of carbon |
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6. | They use organic carbon. | They use inorganic carbon. |