An account of how birds track the degradation rates of different food items.
Choosing words that fit grammatically but contradict the passage context.
Complete the summary below.Choose from the passage for each answer.
One might wonder how a bird with a brain the size of a walnut can rival a chimpanzee in intelligence. The answer lies in neuronal packing. Unlike humans and other mammals, corvids have a much higher density of neurons in their forebrains. This high neuronal density allows for advanced information processing within a small physical space. Their total brain-to-body mass ratio is comparable to that of non-human great apes and cetaceans, and only slightly lower than that of humans.
Identifying whether a,specific claim about tool-making is supported by the text. Key Vocabulary for the Exam An account of how birds track the degradation
Questions 11–13Choose the correct letter, A, B, C, or D.Write the correct letter in boxes 11–13 on your answer sheet.
The most successful or highest point of something.
Reasoning: The text notes that scrub-jays will recache their food in secret locations if they notice another bird watching them during the initial hiding process.
Studying the intelligence of corvids doesn't just help with biology-themed texts; it trains you to follow logical arguments and scientific evidence—the exact skills needed to score a Band 8 or 9. One might wonder how a bird with a
Corvids, a family of birds that includes crows, ravens, jays, and magpies, have long fascinated scientists due to their remarkable intelligence. These birds display behaviors that suggest cognitive abilities once thought to be exclusive to humans and some primates. For instance, they have been observed using tools in the wild and solving complex problems in experimental settings. Moreover, corvids exhibit behaviors such as planning for the future and even recognizing themselves in mirrors, a trait linked to self-awareness. Researchers have sought to understand the mechanisms underlying these capabilities. One hypothesis is that the size and structure of corvids' brains play a crucial role. Unlike most birds, corvids possess a relatively large brain-to-body ratio, with a highly developed forebrain, which is associated with advanced cognitive processing.
They can adapt to new environments and solve unfamiliar problems quickly. 2. Key Aspects of Corvid Intelligence
The implications of these findings are profound. They challenge the traditional hierarchy of intelligence and force us to reconsider which mental abilities are uniquely human. By studying the convergent evolution of intelligence in corvids and apes, scientists hope to unlock the universal principles of cognitive evolution. In short, these remarkable birds have not only redefined what it means to be "smart" in the animal kingdom but have also offered us a fascinating mirror through which to better understand the nature of intelligence itself.
A raven’s behavior during "cache protection" indicates that it:A) Has poor spatial memory.B) Is driven by aggressive territorial instincts.C) Can understand what another bird is thinking or seeing.D) Prefers to eat food immediately rather than store it. This high neuronal density allows for advanced information
: All answers must be based strictly on the information provided in the passage. Your own knowledge of corvids might be interesting, but it could also lead you to a 'Not Given' or 'False' answer incorrectly.
An explanation of how birds mislead competitors to protect their resources.
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