Even though she knew so little about plants, Gwen tried to pay attention to everything the Profesor said. Oooo- first question and I am already puzzled. Nice going!, she 'congratulated' herself. Let's see- possible reasons why there's little light. Because some of the plants don't need so much light?! 'They are eiter sensitive or...umm... ', the Ravenclaw started saying, but suddenly stopped, thinking that she would amaze Bentley with her stupidity and lack of knowledge when it came to Herbology.

'Or maybe some of them, similar to the plants under water, they prefer little light?' That was the best she ould come up with. However, Gwen remembered reading something about the kind of light some plants prefered, red or green, but the question wasn't about color- but of the intensity. Bummer.

Suddenly, she remembered having read about the light intensity. 'For most plants, it should be between 50.000 and 100.000 Lux, but some of them, depending where they come from, can make photosynthesis even when it is lower...?' Was that even correct? And- from where do I even know this? Merlin's beard...