Due to the ice age
Barren with few trees
Trees have existed for about 300 million years in their many forms. The present ice age only started about 2.6 million years ago, so the answer is yes, they did.
Yes, since about the end of the last ice age. Before that it was....well just ice.
Ian Douglas Campbell has written: 'Climate, people, and trees: the Little Ice Age in Southern Ontario, Canada' 'Climate, people, and the trees: the Little Ice Age in Southern Ontario, Canada'
They Didn't need the caves for shelter and built houses from trees
Yes, they live during the last few glaciations in warmer areas where there were trees.
When the Ice Age ended, the land that was once covered by ice experienced melting and retreat of the ice sheets, which revealed new land surfaces. This allowed for the emergence of new ecosystems as the ice retreated, including forests, grasslands, and bodies of water.
Arctic brush, many kinds of tropical trees lived across the equator.
It was called the ice age because Europe and Asia were connected by the ice. Get it ice age.
At the end of the ice age, the land was covered with glaciers and ice sheets in many regions. As the climate warmed, these ice sheets melted, leading to the formation of lakes, rivers, and oceans, as well as the growth of vegetation and forests on the newly exposed land.
Ice Age Ice Age: The Meltdown Ice Age: Dawn of the Dinosaurs Ice Age: Continental Drift Ice Age: Collision Course