non-living factors in an ecosystem are things that are not alive. like so rocks, water, air, soil and sunlight.
The seeds become dormant to preserve the energy that they would not get during the winter
The human race may survive through survival of the fittest. basically whoever has the biggest stick wins! The body also could adapt to the lack of water so you could preserve your bodily resources and manage them better. Or you could just change the environment to benefit yourself and mankind!
The answer is all of the above
