It’s definitely b
hope this helps
6CO2 + 6H20 + (energy) → C6H12O6 + 6O2
Carbon dioxide + water + energy from light produces glucose and oxygen.
The benefit is that capturing the energy from the waves is another source of replenishable energy (like solar or wind power)
The choice that isn’t an adaption is choice D because although having a moisture-rich diet is essential for birds, it isn’t required for them to obtain this adaptation when living in the chaparral biome. I hope this helps.