The passage opens by challenging the notion that lying is exclusively human. It references Dr. Francine Patterson's work in the 1970s with two lowland gorillas, Michael and Koko. While teaching them a simplified version of sign language, trainers observed instances of what they believed to be intentional deceit. In one example, Koko broke a toy cat and then signed that a trainer had broken it. In another, after ripping a jacket, Michael signed that Koko was responsible, then changed his story to blame Dr. Patterson before finally confessing.
To skim and scan this passage effectively, you must understand how the argument is structured from paragraph to paragraph. the truth about lying ielts reading answers
This section requires you to find which paragraph contains specific details. The passage opens by challenging the notion that
This table lists essential vocabulary from the passage with definitions: While teaching them a simplified version of sign