I don't know exactly what you mean but the size of a group affects its defense because there is a larger group. Therefore, more people would be protecting it, adding more to its defense.
<span> white blood cells tend to have a higher surface to volume ratio then other cells because the are more amorphous</span>
I am going to say that the answer is B because, in order for your body to look like the parent, your cells have to divide.
