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What is Autotrophs?
(auto – self , trophs – food) The plants or living organism make their own food called autotrophs and the nutrition which will self prepare by plants called autotrophic nutrition.
- Example : Plants (algae , fungus , lichen , grasses , bushes , trees , etc )
- Types of Autotrophs ?
1) Phototrophs :
(photo – light , trophs – food ) Those plant or living organism which make food with the help of light is called Phototrophs.The green colour of plant performs the main role in Photoautotroph (i.e chlorophyll) as it capture the light energy to make food from carbon dioxide and water.
Example: Algae, plants , etc.
2) Chemotrophs :
(chemo – chemical ,trophs – food ) The plants or living organism which make their own food with the help of chemical oxidation is called Chemotrophs. The chemical energy used for oxidation form ATP (Adinosin triphosphate) which produce organic compound that is food for bacteria.
Example: Bacteria (Sulphur bacteria , iron bacteria )
- Questions based on topic Autotrophs :
1) What is Autotrophs?
3) What is Autotrophic nutrition?
3) Difference between Phototrophs and Chemotrophs?
4) Give an example of Autotrophs?