Children who are excessively timid, self-conscious, and depressed may have tendencies.

Internalizing

Explanation:

Internalizing tendency is the behavior that signifies the negative traits which is invoked internally.It displays the withdrawing behavior ,nervousness, loneliness,afraid trait ,non-focusing mind etc.  

According to the situation mentioned in question,children persisting internal characteristics like depression, loneliness, timid factor etc can display the internalizing behavior of those children.  

is there answer choices?

a. the moon was locked into orbit by the earths gravity as it was passing by and capture hypothesis i think