The archaea and bacteria that are chemotrophs in the deep sea vents tend to be the main producers of food for their ecosystem. Nitrogen-fixing bacteria are another example of chemoautotrophs. They use the nitrogen that is located in the soil as an energy source and convert it into nitrates.
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Mesquite Spring is located in the northernmost part of Death Valley. This part of the valley has numerous cotton top cactus, blister beetles and cholla cactus. On the alluvial fan above the springs there are 2-3 thousand year old petroglyphs from the extinct Mesquite Spring culture.