Final answer:
The desert biome is the Earth's driest biome, with extremely low precipitation and specialized vegetation and animal adaptations for water conservation and dealing with the heat, such as annual plants, deep roots, and nocturnal lifestyles.
Step-by-step explanation:
The desert biome is characterized by its extremely low precipitation, making it the driest terrestrial biome on Earth. Deserts are often known for their scarcity of water, which has a profound impact on both flora and fauna in the region. The vegetation in deserts typically includes annuals which grow and reproduce rapidly following rainfall and then die. Other desert plants are adapted to the arid environment with strategies to conserve water such as deep roots, reduced foliage, and water-storing stems. Seed plants have seeds that can remain dormant for long periods awaiting rain. Animal life has also adapted, with many species being nocturnal to avoid daytime heat and burrowing to escape the hot surface.
Fascinatingly, despite the harshness of the environment, deserts are home to unique and specialized life forms, such as the endemic species found in the Namib Desert. The distribution of deserts around the world confirms that similar climates can host the same biome in different geographical locations.