Moving to new areas.
Moving to new areas.
Where the land was covered by the ice sheets, there were no organisms (apart form some unicellular plants in the top layer of ice.
Wind
The American Indians helped the pilgrims in America. They taught the pilgrims how to cultivate the land. The pilgrims would not have survived without the help of the Native Americans.
Nobody has survived rabies without treatment. When some body survive like that, you can say that he had no rabies.
Because the glacier moves to slow to be noticed without instruments
Prokaryotes are the one cell organisms without organelles.
It is 100% fatal without treatment.
No.
Lots of people didn't make it, few survived. If you mean by, being out in space without spacesuit, of they are dead. No survivors.
Reproducing.
Less comfortably, perhaps, but yes. People survived without it for a couple millenia.