– Explanation: The passage states that scientists believed the smooth forebrain looked primitive and that without a neocortex, complex thought was impossible.
– Explanation: The passage explicitly describes a crow pretending to hide food in one spot while keeping it in its throat.
– Explanation: The passage specifically mentions the New Caledonian crow performing this feat. It does not claim all corvids can do this.
| | instinct | neocortex | apes | pallium | | The intelligence of corvids challenges the old insult of "bird brain." Unlike mammals, birds do not have a (8) ______________; however, their forebrain region, called the (9) ______________, contains a dense packing of neurons. The ability of New Caledonian crows to bend wire into hooks proves (10) ______________, not simple trial and error. | IELTS Reading Answers Key Here are the correct answers for "the intelligence of corvids ielts reading answers":
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