Origin of ice age
Examples from the Web for ice age
Take the case of the American bison: The ice-age bison evolved into the Plains buffalo, Bison bison, perhaps 10,000 years ago.
The short summer would not suffice to melt the enormous winter accumulations of ice and snow, and an ice-age would result.
The last great selection, the northern Ice-Age, will give the last touches of modernisation.
Nor is there any sign of moraines, glacier-scorings or other traces of the ice-age.
We turn now to consider the effect of the great Ice-Age, and the relation of man to it.
The chief point to be determined is not whether man did or did not precede the Ice-Age.