Autumn looked up from the plants at professor, she had read a bit about hebology, she raised up her hand and waited untiul the previous student had submitted there answer "Umm professor is it because some plants are covering the windows? also some plants are sensitive to light and they grow towars the light, so you dont want them escaping or taking up to much space." autumn rememberd the 'grow towards' part from her muggle lessons, she imagined the cells of the plants would still be based the same.