ANSWER: Desulforudis Audaxviator
EXPLANATION: Desulforudis Audaxviator is a monotypic bacteria found in the gold mines of South Africa living at depths of about 1.86 miles below the Earth's surface. It is almost four centimeters in length and survives on the chemical food sources from the radioactive decay of minerals. It doesn't need sunlight for its existence and is known as the only species to be alone in the ecosystem. It is also known as D. audaxviator and has genes for extracting carbon from dissolved carbon dioxide.
