The information that is represented by the x-axis in Model 2 is Trend in number of space.
A biome is known to be a kind of a biogeographical aspect that is made up of a biological community that is made in response to a kind of a shared regional climate.
From the image attached, The information that is represented by the x-axis in Model 2 is Trend in number of space.
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The six bars in Model 2 represent the six North American biomes introduced in Model 1, and include a list of some plants and animals typically found in each biome. What information is represented by the x-axis in Model 2?