Which of the following cognitive tasks is most DIFFICULT for adult chimpanzees?
A) Self-awareness as tested in the mark and mirror task
B) Observational learning of tool use
C) Cooperation as tested in the rope task
D) Deception as displayed in the uncooperative trainer task
Question 2
Which of the following species performs more POORLY than the others in the rope task for cooperation?
A) Chimpanzees
B) Bonobos
C) Hyenas
D) Rooks