• Prokaryotes have a wide range of metabolisms, and this determines where they live.
  • They live in a particular habitat because they are able to “eat” whatever is around them.
  • Bacteria can live and grow in practically any environment.
  • Prokaryote can be classified by their temperature preferences, as shown in the Table below.
  • Thermophiles live at relatively high temperatures, above 45°C (113°F) Psychrophiles live in permafrost soils, deep-ocean waters, Arctic and Antarctic glaciers.
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