Adaptation is often perceived as an active process, yet many organisms, including microbes, simply endure harsh environments without purposeful adjustments. In extreme conditions, only those with inherent resistance—such as tardigrades—thrive. Tardigrades possess extraordinary survival capabilities, allowing them to withstand radiation, temperature extremes, and desiccation, suggesting that such traits might originate from their experience with the formidable forces of space. This leads to a broader question about the potential extraterrestrial origins of certain resilient life forms on Earth, underscoring how survival often hinges on pre-existing conditions rather than evolutionary adaptations.

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