The key answer of exercise 2
The key to exercise solutions in chapter Video 2 - Alex The Parrot for the textbook Outcomes Elementary - Student's Book with authors Hugh Dellar and Andrew Walkley from National Geographic Learning
Question
Watch the video about cognitive biologist Irene Pepperberg and the project and tests she does with a parrot called Alex. Which one of the sentences below best explains what the project shows?
Answer
4 - Parrots can show they understand size and colour.