Commonly Tested Vocabulary Words Practice  Updated on Sep 8,
2011  Read the following study guide for a concept review:
Commonly Tested Vocabulary Words Help  Commonly Tested
Vocabulary Words Practice  Words in Context       I will never
forget the day I accompanied Professor Mackey into the apes'
facility for the first time. He delighted in introducing me to
all their unique simian behaviors. There were several apes who
remained quite diffident during our visit, but most went about
their normal behavior, and a few even came forward to greet us.
One charmer even offered us a piece of food with his prehensile
hand. The professor pointed out the leader, who remained a
stolid observer of all the proceedings in the cage. Mackey
explained that when the leader did move about, all the apes
would become scared and excited and even cower in the corner.
Two of the apes fought violently during our visit, but
fortunately their rancor seemed focused solely on each other.
Undoubtedly, the most fascinating resident was one