What are the types of autotrophs?

Autotrophs are those organisms that can produce their own food by the process of photosynthesis. 

The term “autotroph” is taken from the root words "auto" for "self" and "troph" for "food" or 'nourishment'.

Autotrophs are divided into two parts: 

1. Photoautotrophs- the word has three parts: photo- light, auto-self, trophs- nourishment refers to those

organisms that get the energy to make organic materials from sunlight. 

Examples of photoautotrophs include all plants, green algae, and bacteria that perform photosynthesis.

2. Chemoautotrophs- the word has three parts chemo-chemical, auto-self, trophs-nourishment refers to those organisms that obtain energy from inorganic chemical processes.

Examples of chemoautotrophs include Cyanobacteria, Seaweed, Phytoplankton.

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Updated on: 10-Oct-2022

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