The methanogenic archaeans are ____ that pull electrons from ____.
A) chemoautotrophs; oxygen
B) chemoheterotrophs; carbon dioxide
C) chemoautotrophs; water
D) chemoheterotrophs; methane
E) chemoautotrophs; hydrogen gas

Question

The methanogenic archaeans are ____ that pull electrons from ____.  
A) chemoautotrophs; oxygen
B) chemoheterotrophs; carbon dioxide
C) chemoautotrophs; water
D) chemoheterotrophs; methane
E) chemoautotrophs; hydrogen gas

Quizplus · Accepted Answer

Methanogenic archaeans are chemoautotrophs (use inorganic compounds as energy source and CO2 as carbon source) that pull electrons from hydrogen gas (H2) to produce methane (CH4).

The Methanogenic Archaeans Are ____ That Pull Electrons from ____

The Methanogenic Archaeans Are That Pull Electrons from