A. They will change their migratory routes. B. They will stop migrating. C. They will migrate more frequently. D. They will migrate in groups. 相关知识点: 试题来源: 解析 A。解析:气候变化改变风向,候鸟可能会改变迁徙路线。B选项候鸟不会因为风向改变就停止迁徙;C选项风向改变不会让候鸟更频繁迁徙...
Wetlands are also very important stop-over points for migratory birds. Many birds die every year during their long flights. Wetlands provide food and shelter for them. They can rest and feed in wetlands and then continue their journey(湿地很重要,因为它们也有助于控制洪水。湿地充当着天然的蓄水...
Why don’t birds get lost on their long migratory (迁居的) flights? Scientists have puzzled over this question for many years. Now they’re beginning to fill in the blanks. Not long ago experiments showed that birds rely on the sun to guide them during daylight hours. But what about bir...
You have to be a bit lucky to capture such photos: you have to happen to catch both birds at the same time. When you usually catch five or fewer birds at a time, as we do, the chances that any two of them will be an informative comparison becomes small. Each of these pair photos...
Theylimitedtheirlisttolandbirds"generallyrecognized"asbeingNeotropicalmigrants,omittingwaterbirdsandshorebirdsbecause"otherinitiativesfortheconservationofwaterfowlandshorebirdsarealreadyunderway,andaseparateinitiativeformigrantlandbirdswaswarranted."Incontrasttothissomewhatarbitrarydefinition,wehavedefinedNeo¬tropicalmigrantson...
教授提到在该遗址发现young gazelles和migratory birds的动物骨骼,并启发同学们由此是否能推论出定居的生活方式,学生回答说…if both were found,the Natufians could have been eating birds in the winter and gazelles in the summer,living there year round.教授表示赞许,因此D选项正确。该部分未提到鸟和小羚羊是...
Many countries work together to protect migratory birds. What is the key benefit of this cooperation? A. Protecting the breeding grounds B. Improving the birds' living environment C. Preventing illegal capture and trade D. All of the above ...
小站托福备考平台为广大托福考生提供托福模拟测试卷5-2019-8月新卷听力 migratory birds (迁徙中的鸟类)What do biologists hope to find out by using breath collectors on bears? 答案及题目解析。小站教育,助力中国学生绽放出国留学梦想。
W:With winter approaching, a lot of migratory (迁徙的) birds are moving southward again. However, it is also the season when hunters catch birds illegally. On November 14th, five migratory birds,including three wild ducks, were found poisoned to death in Hanjiang River,Hubei province. On Nove...
小站托福备考平台为广大托福考生提供托福模拟测试卷2-2019-8月新卷听力 What Migratory Birds Eat (迁徙的鸟吃什么)What do biologists hope to find out by using breath collectors on bears? 答案及题目解析。小站教育,助力中国学生绽放出国留学梦想。