B. it makes patients feel more comfortable so that they can be more open with their providers about their health conditions.
The answer is b.
Internal fertilization takes more time and energy but it allows for the offspring to revive more devoted care. When an organism spends that much time and energy investing in an offspring it becomes worth the investment to devote more care towards it.
Having good work ethic
Gets along with other employees
Not having to be told more than once to do a certain task