This diagram shows types of ecosystems near the Sonoran Desert and Chihuahuan Desert. In which ecosystem would you find the tallest trees?
A. Thornscrub
o
B. Grassland
C. Madrean woodland
D. Temperate forest

Thornscrub has well-illustrated dry and wet seasons, with the majority of the wood plants showing drought deciduousness. Thornscrub is a transitional biome between the tropical and desert forest. The thornscrub ecosystem belongs to shrubland. The scrubland, shrubland, brush, scrub, or bush refers to a plant community featured by the vegetation subjugated by shrubs, generally also comprising herbs, grasses, and geophytes. The shrubland may take place either naturally or due to human activity.