Negative tropism is a term used to describe the response of a plant or organism to an unfavorable environmental condition. Some synonyms for this phenomenon include negative phototropism (response to light), negative gravitropism (response to gravity), negative thigmotropism (response to touch), and negative hydrotropism (response to water). These tropisms are crucial survival mechanisms for plants and organisms, allowing them to adapt to changing conditions and avoid potential threats. Negative tropisms may result in the growth away from a stimulus or condition, such as a plant growing away from a source of light, which may be harmful if sustained for prolonged periods. By understanding these processes, scientists can better understand how organisms respond to their environment and adapt to new conditions.