In the Region of the Rocky Mountains, One Local Variety

Multiple Choice

In the region of the Rocky Mountains, one local variety of Ponderosa pine (Pinus ponderosa) predominantly occurs between 5,000 and 8,500 feet in elevation, where it can best tolerate temperatures and precipitation. Which of the following changes in pine tree range is most likely to result if future climate change in this region causes the temperature to increase and rainfall to decrease?

A) that variety will occur at lower elevations
B) that variety will occur at higher elevations
C) that variety will occur at lower elevations and/or lower latitudes
D) that variety will occur at higher elevations and/or higher latitudes