I feel like this question is very troll but my guess is for less weight to hold them down....
Answer:
A wish is something you want to happen and a goal is something you will work to make happen
Explanation:
I would say b., mostly because it is good to have them know why they need to act in such a manner not just the "style" of which the behavior is being done. Sometimes it is difficult for them to refine their behaviors, but it can produce progress
Phagocytosis which is the devourment of foreign particles.
