Explain how animals that need water daily can acquire it in the chaparral biome if a source of open groundwater is unavailable.

From the food they eat.

Explanation:

The animals that require water daily will also be able to sustain there in the chaparral biome because they will receive the water from the foods that they will eat there.

Small animals eats fruits and vegetables that has adequate amount of water in them to fulfill the daily requirement of water. Insects and small animals will also obtain water from the food that they eat.