The recency effects supports the fact that in the process of reading or listing, the human brain is more likely to remember things that are read late more than those that are presented in the middle of the reading or list. The primacy effects ensures that things earlier in the list or reading are remembered more than those in the middle. Hence the greatest number of recall errors is seen in the middle.
You didnt provide the second sentence but from my understanding the prefix "un" , which means not, could be added to friendly to mean unfriendly or not friendly.
Marlin is an example of a dynamic character because he grows and changes throughout the movie. At the beginning, he is very overprotective and doesn't let Nemo do anything but towards the end of the movie he begins to let go and trust Nemo.