and? you need to put the rest of the question. I mean like good for John for getting a part lol.
because humans are not perfect and have their own prejudices and bias so no document will ever be "perfect"
This tells me that Ralph has a lot of weight on his back. Everyone depends on him which makes him stressed and not want to deal with anything. He doesn't want to be the leader. This moment foreshadow's that something is going to come up and Ralph needs to take the leader position.
Best of luck,

According to Webster Dictionary, Homeostasis is a relatively stable state of equilibrium or a tendency toward such a state between the different but interdependent elements or groups of elements of an organism, population, or group.
In simpler words, homeostasis is a period in time where things are relatively balanced and able to adapt to change without causing a lot of problems. I found a few examples involving the human body including body temperature, glucose levels and fluid volume. If you need an extra explanation, I will link the site if examples down below. (:
Happy studying!
http://www.brighthub.com/science/medical/articles/112024.aspx