The answer is c02 regulation, the carbonic acid bicarbonate buffer regulation, the H+ regulation and gas exchange. The following regulations are all completed through the circulatory, excretory and respiratory systems which is part of one huge function that is called homeostasis. Homeostasis is the predisposition to repel alteration in order to uphold a even comparatively constant internal situation.
Independent Variables can be manipulated, and a Dependent Variable are observed and measured. Another way to say it is that the Independent variables change to get different results while the Dependent variables never change because you are trying to see what causes it to change
The erosion or disintegration of rocks, building materials, etc., caused by chemical reactions (chiefly with water and substances dissolved in it) rather than by mechanical processes
B) One swims freely and the other often lives attached to a hard surface.
