There have been reports of people watching groups of elephants feeding or resting and then the elephants suddenly all stopped whatever they were doing for no reason at all. They obviously heard a warning call from a long way away, but the people didn't hear a sound. In places like a zoo...
There are many animal groups. All animals can be grouped (分类) by their features(特征). GroupsFeaturesAnimals Mammals Mammals have hair or fur (皮毛).They give birth to their babies and feed them milk. Monkeys, rabbits and cats Birds Birds have feathers (羽毛).They have two legs and two...
a用扯蛋的态度,面对操蛋的人生 With manner which talks nonsense, facing holds the egg the life[translate] aNitrite values were positive in the majority of animals from all groups. 亚硝酸盐价值是正面的在多数动物从所有小组。[translate]
A.More than 100.B.Hundreds.C.Thousands.D.About 550 000.49.The underlined words“such places”refer to(指)the places forA.foreign travelersB.sick elephantsC.wildlife protectionD.animal tourism50.What opinion do the two groups have in common?A.Animals can live wherever they like.B.Wildlife ...
But in the case of fish that get together in groups, there is no 6 . The fish come to an agreement together. They see what their neighbors are doing and do the same as 7 . Scientists now 8 that collective(集体的) behavior in animals is a highly good system. It is 9 for animals...
百度试题 结果1 题目4. All the animals in Irene's paintings are in groups of A. two B three C. four D. five 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
aOf the thousands of different kinds of animals that exist in the world man has learned to make friends with an enormous number. Some are pets, and offer him companionshi some give protection, and some do hard work which man cannot do for himself. Dogs, which serve man in all three capa...
Most collegiate natural The heart of natural history survey was the expedition itself: the small groups of individuals who went forth into the inner frontiers to collect and observe. How were these ventures organized and managed? What customs guided their makeup and activities? And how were they...
Underwater, we 3 see a group of fish swimming together in a sudden but perfect movement.Most groups that humans belong to have leaders.4, we may be in crowds with no leaders. Can we imagine that animals groups act 5 the same way? In the case of elephants, the oldest female(雌性) ...