Test ministeriali 2011-2012 in lingua inglese per l’accesso alla facoltà di Medicina e Chirurgia 2012-2013
It has long been thought that birds are much less intelligent than humans and apes. But now it seems that some species of birds have the same kind of thinking skills as apes. Crows can create and use tools and are socially sophisticated when finding and protecting food. So how can a bird with a walnut-size brain be capable of such achievements? The answer is that both crows and apes have much bigger brains than you would expect from the size of their bodies. The same pattern is found in humans, parrots and chimps - all intelligent animals. Which one of the following can be drawn as a conclusion from the above passage?