Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


A chemoautotroph is an organism that uses inorganic energy sources for food. Then it puts together its own organic compounds using ATP. Chemoautotrophs are mostly bacteria or archaea that live in hostile environments such as deep sea vents. They are the primary producers in such ecosystems.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts