Analyze the map below and answer the question that follows.

A thematic map of East Asia. Climate regions are labeled 1, 2, 3, 4, 5, and 6. 1 is in southeastern China and southern Japan. 2 is in southwestern China. 3 is in Central China. 4 is in Northern China near the border of Russia. 5 is in northern China, Mongolia, and South Korea. 6 is in northeast China, North Korea, and Northern Japan.

Using complete sentences, identify the climate region labeled with the number one on the map above. Describe three characteristics of this climate region, and identify at least one plant and one animal located in its ecosystem.