百度试题 结果1 题目Different from other wolf species, Ethiopian wolves ___. A. hunt alone B. share food together C. raise their babies alone D. form groups in the morning 相关知识点: 试题来源: 解析 A 反馈 收藏
While acoustic signals of dogs have been intensively studied during the last decade, barking during hunting activities remains unstudied. The experiences of hunters indicate that owners can recognize what animal species has been found based on the bark of their dog. Such a phenomenon has never been...
What makescan eat several species,it can survive the extinction(灭绝) ofthe populations of different species the way they are? Why areone of them. And if a predator can move on to another speciesthere so many flies and so few wolves? To findan answer,that is easier to find when a ...
Efforts to conserve the gene pool of organisms that have had hybridization with domesticated ani- mals, such as bison, wild cats, wolves and so on, have emphasized the reduc- tion of hybridization or exotic ancestry because it has always been thought that variants from domesticated species would...
“It sounded totally bizarre at first, that there could be two versions of the species. This definitely reflected my ignorance of indigenous knowledge at the time.” Scientific evidence at that point suggested B.C. wolves were genetically similar unless separated by vast distances. But the differe...
The maned wolf (Chrysocyon brachyurus, Illiger, 1815, Canidae) is a threatened species that inhabits the cerrados of Brazil, Argentina, Peru, Bolivia, Paraguay, and Uruguay. Captive maned wolves could be potentially used in reintroduction programs for species conservation; however, it is necessary...
B. The rules governing food webs of the ecosystems. (控制生态系统食物网的规则)符合以上说法,故选B项。 2. C 推理判断题。根据文章第二段When a predator(掠食动物)always eats huge numbers of a single prey(猎物), the two species are strongly linked ; (当一种掠食动物总是大量吃一种猎物时,这...
根据上文“With just over 500 different species of shark classified, and a further two dozen waiting to be formally scientifically named, shark classification is not for the faint-hearted.(只有500多种不同的鲨鱼被分类,还有二十几种等待正式的科学命名,鲨鱼分类不是胆小的人可以接受的)”以及第二段“Sp...
After graduation, I was admitted in a key university where I meet a lot of interesting friends. Now, I am working in a big company and I am able to afford anything I wanted. What’s more, my parents also have been found new jobs. So I believe that our dream will came true if we...
After graduation, I was admitted in a key university where I meet a lot of interesting friends. Now, I am working in a big company and I am able to afford anything I wanted. What’s more, my parents also have been found new jobs. So I believe that our dream will came true if we...