Chlorobi. Bacteria, Green Sulfur . Chlorobiaceae . Green Sulfur Bacteria . A phylum of anoxygenic, phototrophic bacteria including the family Chlorobiaceae. They occur in aquatic sediments, sulfur springs, and hot springs and utilize reduced sulfur compounds instead of oxygen. . 1.00
Hot Springs. Geothermal Springs . Warm Springs . Geothermal Spring . Hot Spring . Spring, Geothermal . Spring, Hot . Spring, Warm . Springs, Geothermal . Springs, Hot . Springs, Warm . Warm Spring . Habitat of hot water naturally heated by underlying geologic processes. Surface hot springs have been used for BALNEOLOGY. Underwater hot springs are called HYDROTHERMAL VENTS. . 0.44
Chromatiaceae. Bacteria, Purple Sulfur . Purple Sulfur Bacteria . Thiorhodaceae . A family of phototrophic purple sulfur bacteria that deposit globules of elemental sulfur inside their cells. They are found in diverse aquatic environments. . 0.39
Sulfur. Sulfur-16 . Sulfur 16 . An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine. . 0.39
Chloroflexus. A genus of green nonsulfur bacteria in the family Chloroflexaceae. They are photosynthetic, thermophilic, filamentous gliding bacteria found in hot springs. . 0.36
