Which of the following adaptations helps alpine animals deal with the high elevation? A) migration
B) large stomachs
C) hibernation
D) insulating feathers
E) higher levels of hemoglobin

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

i think that it is plants

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.