In the Region of the Rocky Mountains, Imagine That One

question 6

Multiple Choice

In the region of the Rocky Mountains, imagine that one local variety of Ponderosa pine (Pinus ponderosa) predominantly occurs between 5,000-8,500 feet in elevation, where it can best tolerate temperatures and precipitation. If future climate change in this region causes the temperature to increase and rainfall to decrease, then which of the following changes might an ecologist predict about the variety's range?

• 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

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Definitions:

Practical

Pertaining to or concerned with the actual doing or use of something rather than with theory and ideas.

Longitudinal

A type of research study in which data is gathered from the same subjects repeatedly over a period of time.

Experimental

Pertaining to a methodological approach in research that involves manipulation of variables to determine cause-and-effect relationships.

Cross-Sectional

A research design that analyzes data from a population, or a representative subset, at a specific point in time.