im pretty sure its adaptation <3
B is the correct answer I think it might be wrong tho
That would be A and E.
because u can measure or calculate the variables in these 2 hypotheses. (Amount of protein is diet, muscle mass, salt intake, blood pressure.)
It is a hypothetical neuron that can be shown to represent a specific psychological concept. this cell becomes active every time someone thinks about a complex thing.
All organisms are made up of cells. They all also have different levels of organization, and they also respond and adapt to their environment.