How does the availability of preferred seeds directly dictate the survival strategy of the kangaroo mouse?

Answer

Seed availability dictates both their energy intake and their water intake

Because they rely on metabolic water derived from seeds, the availability of lipid- and carbohydrate-rich seeds creates a finely tuned, self-contained loop that governs both their sustenance needs.

How does the availability of preferred seeds directly dictate the survival strategy of the kangaroo mouse?
mammaladaptationrodentKangaroo Mouse