This term consists of two words with Greek origin: "photo" and "trop". Photo in Greek means light, either sunlight or artificial light. Therefore, the complete word means the turning towards the light. Since the phenomenon under discussion is the plants' natural tendency of orientation towards the light, phototropism is an excellent term.
Only 0.3% of fresh water comes from lakes and rivers. The remaining is about 30% from ground water and 68% from icecaps and glaciers.
Well i would think all of that has to do with the 1060s civil rights act