A) It is entirely instinctive from birth. B) It is acquired through learning and refinement. C) It is less advanced than that of primates. D) It is limited to using twigs without modification.
Researchers have replicated the ancient fable where a thirsty crow drops stones into a pitcher to raise the water level. In modern experiments, rooks and crows consistently chose heavier objects over light ones and solid objects over hollow ones to displace water and reach a floating reward. This demonstrates an understanding of that human children typically don't master until age five or seven. IELTS Reading Practice: Sample Questions A) It is entirely instinctive from birth
Answer the questions below using from the passage for each answer. D) It is limited to using twigs without modification
: The text often compares bird intelligence to that of humans or primates (e.g., "chimpanzees"). Pay attention to these to answer multiple-choice questions correctly. Check the Location This demonstrates an understanding of that human children
Which phrase best summarizes Mei's three proposed components of corvid intelligence? A. Flight, feathers, and food B. Problem-solving, social learning/teaching, long-term memory C. Singing, nesting, and scavenging D. Strength, speed, and stealth Answer: B
: The question may say "mathematical skills," but the text will mention "the ability to count". Don't look for exact word matches.