Editing Extremophiles and the Limits of Life (section)

== <span style="color: #FFFFFF;">Remembering</span> ==
* '''Extremophile''' — "An Organism" "That Thrives" in "Physically" or "Chemically" "Extreme" "Conditions" that "Are Detrimental" to "Most Life."
* '''Thermophile''' — "An Extremophile" "Living" at "High Temperatures" (45–80°C). "Hyperthermophile": above "80°C" (e.g. ''Pyrolobus fumarii'': "Lives" at **"113°C."**)
* '''Psychrophile''' — "An Extremophile" "Adapted" to "Cold Temperatures" (−20 to +10°C): "Found" in "Antarctic Ice," "Deep Sea," and "Permafrost."
* '''Acidophile''' — "Lives" in "Extremely Acidic" "Environments" (pH < 3): "Acid Mine Drainage," "Volcanic Lakes."
* '''Halophile''' — "Thrives" in "High Salinity" environments: **"Dead Sea"** (10× Ocean Salinity) "Contains" "Diverse" "Halophile" "Communities."
* '''Radiotrophic Fungi''' — "Fungi" "Discovered" at "Chernobyl" (1991) that "Use Radiation" for **"Energy"** (Radiosynthesis) — "The Anti-Counterpart" of "Photosynthesis."
* '''Tardigrade''' — (Water Bear). "A Microscopic Animal" "Capable" of "Surviving" **"Vacuum of Space," "-272°C," "+150°C," "600× Lethal Human Radiation Dose"** by "Entering Cryptobiosis."
* '''Cryptobiosis''' — "A State" of "Suspended Animation" "In Which" "Metabolic Processes" "Halt Almost Completely" — "Allowing" "Survival" of "Extreme Conditions."
* '''Black Smokers''' — "Hydrothermal Vents" on "The Ocean Floor" "Emitting" "Water" at "350°C+" "Rich" in "Sulfides": "Home" to "Complex Ecosystems" "Powered" by "Chemosynthesis."
* '''LUCA''' — (Last Universal Common Ancestor). "The Ancestor" of "All Life" on "Earth": "Likely" "A Thermophile" living near "Hydrothermal Vents."
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