Humans have the same types of innate tendencies. Babies are born with a unique ability that allows them to survive; they are born with the ability to cry. Without this, how would others know when to feed the baby, know when he needed changing, or when she wanted attention and affection? Crying allows a human infant to survive. We are also born with particular reflexes which promote survival. The most important of these include sucking, swallowing, coughing, blinking. Newborns can perform physical movements to avoid pain; they will turn their head if touched on their cheek and search for a nipple (rooting reflex); and they will grasp an object that touches the palm of their hands.
Ella's motivation is based on biological needs, so she probably is working towards the promotion to achieve get a better home, or be able to afford something that directly affects her perceived biological needs. While this is very valid reason, it is not necessarily the only reason. Let's move on to the next subject and see how there may be overlaps.
The psychosocial motivation structure is a