Plant responses to environmental stimuli.
Introduction Tropisms, nasties, taxes and more. Plants may not be able to move in the way that animals do, but it is still possible for them to respond to environmental stimuli. Sometimes the response will involve the movement of a part of the plant. Back to choose another topic Tropisms, nasties, taxes and other responses to the environment. If the movement is towards the stimulus , then it is said to be positive tropism, but if the movement is away from the stimulus , then it is said to be a negative tropism.