The answer is B, decomposers.
<span>Anything in an organism's environment that causes it to react is called a STIMULUS. A stimulus is defined as an impulse that evokes a specific functional response from an organism. In living organisms, stimulus can occur both internally and externally. Stimulus generate appropriate response in living organisms. Thus, the correct option is C.</span>
<span>Organisms have the ability to regulate their
internal environment in order to maintain a steady state called homeostasis. It
is nature of the organisms to balance their body systems at the end of the day
like how nature reinvents himself when he is too stresses. Living organisms do
that to, by sleeping after doing a very demanding job.</span>
It has to be a , T cells are are your killer cells
Sorry here for the points !! Good luck
