True, they can have genetic differences.
I’m pretty sure this is right
The thermosphere is the layer in the Earths atmosphere directly above the mesosphere and below the exosphere. Within the layer of atmosphere, ultraviolet radiation causes photoionization of molecules creating ions the thermosphere continues the larger part of the Ionosphere.
Oxygen, liquid water, and life is on planet earth
No; while a cell can use passive transport to bring in water, it must use energy to bring in larger particles. There also may not be enough of a difference in concentration of particles for diffusion to occur.
