Difference between Heterotrophic bacteria and Autotrophic bacteria

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

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

2. Heterotrophic bacteria can be saprophytes, parasites or symbionts. Autotrophic bacteria can be chemoautotrophic or photoautotrophic.

Source of energy

3. They do not need an external source of energy. They need an external source of energy.

Known as

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

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

6. They use organic carbon. They use inorganic carbon.
Updated: January 27, 2022 — 9:37 pm

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