no
No, nobody has speculated that there may be life on Neptune or any of its moons. The planet is just too far away from the Sun.
No.
Neptune deos not have life because it is to cold and almost no light. Neptune is the farest planet from the sun.
No. Biomass comes from life. Neptune does not nor did it ever support life.
No because there is not Anthe water AND SUN
no becuz no one is on neptune because it is a gas giant and there is no oxygen
They are nil.
Not as far as we know.
No. Earth is the only planet known to have any sort of life. Neptune is a gas planet, so it has no solid surface for anything to grow on.
No. The only planet known to have life of any sort is Earth. Neptune is a gas planet with no solid surface, so it would be impossible for trees to grow there.
Unless humans can survive -360.4 degrees F and 1,305 mph wind, human life is not possible on Neptune.