Question

Distinguish between the characteristics of phototrophs and chemotrophs

Distinguish between the characteristics of phototrophs and chemotrophs

Homework Answers

Answer #1
Phototrophs Chemotrophs
These are the organisms that obtain their energy from sunlight Obtain their energy by oxidizing electron donor
Sunlight is the main energy source Energy source is the oxidizing energy of chemical compounds
Categorized as photoautotrophs and photoheterotrophs Categorized as chemoorganotrophs and chemolithotrophs
E.g. Rhodobactor, algae, and cyanobacteria E.g. sulfur oxidizing proteobacteria, iron-oxidizing bacteria and methanogenic archaea.
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