Answer:
Option C, Their growth could be hampered by the new conditions
Step-by-step explanation:
The availability of water will definitely change the ecosystem. Since a desert plant has the ability to survive in dry areas, its internal system must have developed in a way that could allow it to live without water or in a limited supply of water. Now if ample amount of water is made available suddenly, then desert plant may not be able to cope up with this change in ecosystem and it may die.
Option C is correct