Given a scientific passage and an answer, generate a question for the given answer.

Passage: Organisms evolve adaptations that help them survive in the climate of the biome where they live. For example, in biomes with arid climates, plants may have special tissues for storing water (see Figure below ). The desert animals pictured in Figure below also have adaptations for a dry climate. Answer: adaptations
A plant that forms special tissues for storing water in an arid climate is an example of the plant evolving what?