Could a life form evolve an organ for generating temperatures less than a degree Kelvin above absolute zero?

I was thinking of a life form with a similar surface temperature to Earth, as well as a similar temperature variation to that of Earth.

Could such a life form evolve an organ for generating temperatures a fraction of a degree Kelvin above absolute zero? If so how might such an organ work, and what types of selective pressures might cause such an organ to evolve?

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Could a life form evolve an organ for generating temperatures less than a degree Kelvin above absolute zero?

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