When tardigrades cross into cryptobiosis, they roughly close down their metabolism, turning into desiccated till they rehydrate.
Theoretically, if those lifeforms are enduring the moon, its thru cryptobiosis. And whilst it is going to sound like sci-fi, the potential for water bears surviving the crash at the moon’s floor isn’t far-fetched, given their demonstrable resilience. That mentioned, the lunar setting, typically regarded as untenable for lifestyles, isn’t precisely the Ritz-Carleton.
