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.
Stimulus.
stimulus
Anything in an organism's external environment that causes the organism to react is a stimulus. a reaciton to a stimulus is a response. The ability to respond to stimuli in the environment is an important characteristic of living things
stimuli? yea that's what i thought but im not so sure...
stimulus
stimulus
hows it going
none
stimulus
both, but the environment influences the organism more. this causes the organism to change and they start to influence the environment a.k.a THEY ADAPT
Stimulus.
stimulus
stimulus
Anything in an organism's external environment that causes the organism to react is a stimulus. a reaciton to a stimulus is a response. The ability to respond to stimuli in the environment is an important characteristic of living things
A stimulus
lichens
The change is actually a stimulus and when the organism reacts to the stimulus, it becomes a response. Overall, The answer is a stimulus.