Anaerobic Chemotrophs

Answer 1

1. Sulfur and sulfate-reducing bacteria use sulfur as terminal electron acceptors and oxidize organic material 1.1) Reduce it to hydrogen sulfide -> Responsible for rotten egg smell 1.2) These organisms essential for sulfur cycle in ecosystem 2) Generally found in mud rich in organic matter and sulfur

Answer 2

1)Found in soil, aquatic environments and the human body 2) Organisms in this classification 2.1) Anaerobic chemolithotrophs 2.2) Anaerobic chemoorganitrophs