Available Answers

1. 1.

   According to the narrator, what did David Greybeard's eyes express?

2. 2.

   Why was Lucy called a 'changeling'? What traits of human behaviour did she showcase?

3. 3.

   Why are chimpanzees often used as substitutes for humans in experiments?

4. 4.

   Why do scientists often discount mental development in creatures like the chimpanzee?

5. 5.

   According to the narrator, what was not permissible in the ethological circles in 1960?

6. 6.

   What fascinating story about Figan did the narrator share at a seminar?