What is the connection between altitude, microclimate, and vegetation in and around the Grand Canyon? Please give examples from the lab, and you can also include your own observations.

As explained below.

Explanation:

The grand canyon is a steep side canyon that is formed the Colorado rover in the state of  Arizona and is a 277 mile long and is 29 km wide. The Colorado River established its course about 5 to 6 million years ago and since then has been cutting the tributaries and deepening the canyon. The upliftment lined to the mountain formation later moved the sediments thousand feet upwards and created the Colorado plateau. Causing the temperatures in the northern rimland to decrease than in the southern rim due to its greater height above elevation. As weather varies according to the elevations the forested rims have high snowfall but the temperature at the Colorado rover is warmer, about 1,737 species of vascular planet and fungi, lichens and others are found at 24,00 meters height.

The answer would be (c), mass extinctions