a. This cold, dry biome is populated by lichens and shrubs that can survive great seasonal variations in sunlight and temperature.
b. In this hot, dry biome, populations of zebras, gazelles, and giraffes are concentrated around widely spaced watering holes.
c. Also called steppe or prairie, this biome has been extensively developed for agricultural use due to its nutrient-rich soils.
d. Despite having lush vegetation and diverse biological communities, the soil in this biome has low nutrient content and cannot support long-term agriculture.
e. This is the driest biome, where many plants have water-conserving features such as thick leaves and needles.
f. This biome is characterized by broad-leaved trees that lose their leaves each fall and remain dormant during winter.