Q. which ecosystem best matches the following description? found in the wooded regions of the eastern united states, a wide variety of trees and shrubs flourish here. alpine desert tundra deciduous forest 2. which of the following describes the effect of the 1763 treaty of paris on france's american land holdings? france retained its territory in detroit, quebec, and montreal. france lost its territory in canada and east of the mississippi river. france gained territory west of the mississippi river but lost that to the east. france received new orleans and other territory west of the mississippi river.