Respuesta :

tropism is a growth is response toward stimulus 
affects plant growth toward water and light which they need to grow an survive 

Answer:

A tropism is a growth toward or away from a stimulus. Common stimuli that influence plant growth include light, gravity, water, and touch. ... This type of growth occurs when the cells in one area of a plant organ, such as a stem or root, grow more quickly than the cells in the opposite area

Explanation:

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