stimulus
Anything in the environment that affects the behavior of an organism is called a stimulus.
Anything in the environment that affects the behavior of an organism is called a stimulus.
Anything in the environment that affects the behavior of an organism is called a stimulus.
Certain chemicals and radiation in the environment can cause a reaction or mutation in an organism. Such changes may alter organisms genotype or phenotype. Chemicals that induce changes in organisms DNA is called mutagens.
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 single organism in an environment is called an individual
Stimuli are things in the environment that cause change. A reaction to a change in the environment is a reaction to a stimulus.
The environment in which an organism lives is its habitat.
stimuli
If you mean "What is an organism's reaction to physical stimuli? it is usually withdrawal or avoidance. It depends on what type of stimuli and what type of organism. Is the organism used to this type of stimuli? Is it a new strange stimuli? The question is not specific enough to answer thoroughly nor is it grammatically correct.
The reaction to something in an environment is called a stimulus.
none