Involved a dramatic and sudden increase
1. Tropisms are directional movements or growth response of a plant to the stimulus. In nastic movements, the response of the plant is non-directional. An example of tropism is thigmotropism, which is a growth response to the touch stimulus.
2. Nyctinasty is the nastic movement of plant parts such as leaves and petals in response to darkness.
3. Thigmonasty is a form of nastic movement (of a plant or a fungus) as a response to touch or vibration.
<span>Your thesis statement should have your viewpoint in it and the thing that you would be trying to prove during the course of your expository essay. Then, later in the body paragraphs, you would write things that support your viewpoint and try to present a problem or persuade someone something.</span><span />