Which organism would be classified as a chemoautotroph?
A) Cactus
B) Lichen
C) Oak tree
D) Green algae
E) Nitrogen-fixing bacteria

Question

Quizplus · Accepted Answer

Chemoautotrophs are organisms that obtain their energy from chemical reactions and use carbon dioxide as a carbon source. Nitrogen-fixing bacteria are an example of chemoautotrophs because they can fix atmospheric nitrogen into a form that is usable by plants, using energy derived from chemical reactions.

Which Organism Would Be Classified as a Chemoautotroph