The correct option is this: PLANTS NATURALLY GROW TOWARD A SOURCE OF LIGHT.
Darwin carried out an experiment in which he found that when the tip of a plant is covered with an opaque material, the plant grow up straight but when it is covered with a transparent material that allow light, the plant bend toward the source of light. He thus, concluded that the tip of the plant is responsible for sensing light which is needed for photosynthesis.
Next to other plants but to we’re u can get enough sun and water to make food.
Hypothalamus is the part of brain which allows the people to think and it is also stimulous( which means it controls the actions or release a chemical to make the other gland work).
