It is possible to have what would be considered contradicting personality traits.

This is possible. While we can say that personality traits have a genetic basic that is presented in clusters - you would expect certain personality traits to cluster together and manifest themselves in individuals based on their personalities, this s, of course, not the deterministic case. You can always find people which have personality traits that perhaps wouldn't go necessarily together at first glance. 

The correct answer is:       [c]:   "organisms that are sensitive to changes in temperature would die. "