During an Ice Age, sea levels were supposedly much lower due to the water being tied up in glaciers and ice caps would result in [[land bridge]]s in some places where there are now [[ocean]]s and [[strait]]s. | During an Ice Age, sea levels were supposedly much lower due to the water being tied up in glaciers and ice caps would result in [[land bridge]]s in some places where there are now [[ocean]]s and [[strait]]s. |