Answer:
A. amygdala.
Explanation:
Amygdala: The term amygdala is referred to as an almond-shape set of different neurons that are being located in the temporal lobe of the brain.
The amygdala is considered to be a part of the limbic system and it is responsible for processing different emotions, memory, sexual activity, sex drive, and survival instincts. It is the processing center that receives incoming messages from different internal organs and senses.
In the question above, the given statement represents the amygdala.
If this is an actual problem you need to add more
People with similar physical characteristics--to seek comfort people will find others who look similar to them to create immediate common ground.
This tendency in humans explains why people tend to seek out homogeneous groupings. We seek what we know and therefore we are most comfortable. This behavior can be exploited to create the 'isms' of society like racism or sexism. <span />