We have a log home that was black with mold and to clean it we use a 50/50 mixture of bleach and washed it off. As it has dried this week, there are apparent streaks from the bleach running down the walls. The walls were kept wet and we started at the bottom.
Home Â» Hydrotropism. Definition. noun. Growth or movement response of a cell or an organism to moisture or water. Supplement. In general, tropism is an orienting response of an organism to a stimulus. It often involves the growth rather than the movement of an organism.
Geotropism (also known as gravitropism) is a turning or growth movement by a plant or fungus in response to gravity.It is a general feature of all higher and many lower plants as well as other organisms.hat is, roots grow in the direction of gravitational pull (i.e., downward) and stems grow in the opposite direction (i.e., upwards). This behavior can be easily demonstrated with any potted plant.