When my daughter Elizabeth asked me what the difference was between adeciduous and conifer tree, because she was having trouble memorizing the answer from the science book, I took her outside to see it for herself.
These raised the sea level, producing Japan's meandering modern coastline with its prolific crops of shellfish and edible seaweed, and also permitted the spread of deciduous forests, which provide a cornucopia of nuts, berries and shoots that do not run away.