How Cockatoos EvolvedLinda S. Rubin
The researchers say it's like a race between humans and cockatoos to learn new ways of doing things.Now many cockatoos have learned how to push heavy items off the bins.As a result,humans have figured out ways to attach the items to the top of their bins.The scie...
B. By using a tool. C. By turning the booving the lid. 相关知识点: 试题来源: 解析 B 解析推理判断题。根据第一段中的“Thoughnotknowntousetoolsinthewild,thebirdshaveprovedskilfulattoolusewhilekeptinthecage.”以及接下来提到的实验可知,它们需要找出合适的工具嵌入箱子才能得到坚果。故选B项。
C. By turning the box around. D. By removing the lid. E. [细节理解题。根据第一段中的“...the birds have proved skilful at tool use while kept in the F. age.”可知,戈芬氏凤头鹦鹉能拿到盒子里的坚果是因为它们使用了工具。故选B。] 相关知识点: 试题来源: 解析 B ...
Eleven species of cockatoos are native only to Australia. Seven species of cockatoos can be found on the islands of the Philippines, Papua New Guinea, Indonesia and the Solomon Islands. Most live in trees in forested areas. Many have suffered due to the destruction of their landscape and foo...
根据最后一段The scientists say it's like a race between humans and cockatoos to learn new ways of doing things.Now many cockatoos have learned how to push heavy items off the lids.As a result,humans have doped out ways to protect their bins.The scientists expect these...
A. How far they are able to see. B. How they track moving objects. C. Whether they are smarter than monkeys. D. Whether they use a sense of touch in the test. 相关知识点: 试题来源: 解析 D解析:理解具体信息。根据最后一段信息可知, 研究人员下一步将查明凤头鹦鹉是否完全依靠视觉线索还是...
C. Whether they are smarter than monkeys. D. Whether they use a sense of touch in the test. 相关知识点: 试题来源: 解析 D 推理判断题。根据最后一段“The next step ... shape selections.(根据研究人员的说法,下一步是尝试弄清楚凤头鹦鹉是完全依靠视觉线索,还是也使用触觉来选择它们的形状。)”...
Average life spans are difficult to report since there are so many species. Some average lifespans of popular breeds of parrots kept as pets are: Amazon: 40 to 70 years Macaw: 35 to 50 years Conure: 15 to 20 years Cockatoo: 40 to 70 years ...
of timing, so that the timing requirements are going to be different. The brain needs to make sense of sound similarly to how we make sense of a visual object. There are many ingredients that we right away are able to discern: What is the shape, the size, the color, how heavy is ...