Phoenix to Flagstaff: A Roadside Nature of Arizona Travel Guide for Interstate 17
Along this route you will see evidence of plant and animal adaptations to the extreme difference in elevation between Phoenix and Flagstaff. You will pass through a variety of ecosystems including the Sonoran Desert—arguably the most spectacularly weird desert on the planet. You will also see grasslands, open woodlands (savannas), and in the northern portion of the route, a majestic high-elevation conifer forest. Each of these ecosystems corresponds to a specific elevation range called a life
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