Adaptation.
Living things adjust to a change in their surroundings immediately by a reaction called homeostasis. Claude Bernard, a French physiologist, came up with the idea of homeostasis in 1865.
stimulus
Stimuli are things in the environment that cause change. A reaction to a change in the environment is a reaction to a stimulus.
none
reflex
A change in an organism's environment that causes it to react is called a stimulus. Stimuli can be physical, chemical, or biological factors that trigger a response in an organism to help it adapt and survive in its environment.
A reaction to a change
A stimulus.
development
development
development
Is a change in structure movement or characteristics in order to adjust to the environment