Mutual or reciprocal relations or relatedness
The answer is a. minimizes the chance of accidents occurring in the lab.
Technically, the answer could be c, because the point of safety rules is to stop accidents from happening, but accidents can still occur EVEN when you are following the rules.
You can infer that the parts of the body with the most touch receptors are the most important in receiving touch stimuli from the environment.
Yes I believe so because while you may know one common name, it'd be different for someone in a different part of the world. The scientific name is what everyone knows the species as.