After Dolly, scientists have cloned more than 20 mamal (animals that gives birth to live babies, not eggs) species, including camels, cattle, deer, dogs, goats and mice.3. In comparison (the process of comparing two or more people or things) with other species,cloning primates has proved ...
Which of the following animals gives birth to live babies? A. Duck B. Rabbit C. Snake D. Frog 相关知识点: 试题来源: 解析 B。兔子(Rabbit)是哺乳动物,通过胎生(gives birth to live babies)繁殖后代。鸭子(Duck)通常是卵生。蛇(Snake)多数是卵生。青蛙(Frog)一般是卵生。反馈 收藏 ...
Oxford discover Unit1 Amazing Animals 讲义 Unit1amazing animals Big question Look at the picture.What can you see?Write down words as many as possible!Animals Colors Places Other things What country do you think this is?Why are they at the same place?What are they doing?Have you seen any ...
One unique adaptation, however, involves the placement of its eyes. The fact that they are centered gives them a superior sensitivity on depth, which helps them to move around easily. Another adaptation concerns the position of its fingers and opposable thumbs. This enables the monkey in holding...
Females can mate in a few days after giving birth. Muntjacs shed their antlers every year. Muntjac deer is producing a unique cry that resembles the bark of a dog Its bark is often misunderstood by locals. The groaning sound gives rise to many paranormal stories around the region. ...
Which of the following animals gives birth to live young and has a large number of offspring at one time? A. Mouse B. Horse C. Kangaroo D. Duck 相关知识点: 试题来源: 解析 A。老鼠产仔且一次数量较多。选项 B 马通常一胎一仔;选项 C 袋鼠有育儿袋,但每次产仔数量不多;选项 D 鸭子是...
百度试题 结果1 题目The animalgives birth___young baby animals in the ocean. (3)优惠多8.I wasprevented___attending the meeting by a cold. 附件(一):相关知识点: 试题来源: 解析 tofrom 反馈 收藏
A female leopard gives birth to a litter of two or three cubs and keeps them hidden until the are about two months old and start to roam freely. Leopard cubs Pumasbelong to the cat species and live mainly in the Americas. These large mammals are considered the animal with the most names...
( 鲑鱼 ) . This fish is born in fresh water but it travels many miles to salt water . There it spends its life . When it is old it returns to its birthplace in fresh water . Then it gives birth and dies . In northern Europe there is a kind of mouse . They leave their mountain...
Startled donkeys will freeze or move a few steps away when they are scared to assess their situation instead of running away, a characteristic that gives them their undeserved reputation for being stubborn. You can read more incredible facts about donkeys. Scientific Name The classification of these...