tropism
The reaction to something in an environment is called a stimulus.
In the chemical installations of the plant.
A plant cell is best in a hypotonic environment
An endothermic reaction absorbs energy, making its environment cooler. Ab exothermic reaction releases energy, making its environment warmer.
reflex
It depends upon the type of the plant.
What a plant or animal does after receiving a stimulus is an example of a reaction. If the stimulus is unexpected, the reaction is an involuntary one.
photosynthesis
Environment is the surroundings where an plant or an animal exists.
If your reaction to events or things in the environment is referred to as your emotional response or emotional reaction. This can include feelings of joy, sadness, anger, fear, or surprise based on the situation.
Response to surroundings
paper burning.