🔬Prokaryotes, such as bacteria and archaea, are single-celled organisms without a nucleus.
🌍Bacteria are metabolically diverse and can be found in every environment on Earth.
🔑Archaea are more closely related to eukaryotes than bacteria and have unique traits.
🌡️Some archaea are extremophiles and can thrive in extreme conditions.
🧪Both bacteria and archaea play important ecological roles and contribute to the continuity of life on Earth.