In a stem, the cells on the shaded side contain more auxin and grow longer than the cells on the light side. This causes the stem to grow towards the light. It is vital to note that the plant does ...

Phototropism close phototropismGrowth of plant shoots towards the light. is a response to the stimulus of light. In the plant stem, responses to light are known as a positive phototropism ...

Q I have this "thing" about keeping my potted geraniums alive over the winter. Here's a picture of them inside. They will get ...