题目Which of the following animals gives birth to live young? A. Birds B. Fish C. Horses D. Frogs 相关知识点: 试题来源: 解析 C。本题问哪种动物是胎生,马是胎生动物,A 选项鸟和 B 选项鱼以及 D 选项青蛙通常都是卵生。反馈 收藏
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Which animal gives birth to live young? A. Frog B. Spider C. Rabbit D. Lizard 相关知识点: 试题来源: 解析 C。兔子是哺乳动物,胎生。青蛙是两栖动物,卵生。蜘蛛是节肢动物,卵生。蜥蜴是爬行动物,卵生。反馈 收藏
百度试题 结果1 题目Which animal gives birth to live young? A. Bird B. Snake C. Dolphin D. Butterfly 相关知识点: 试题来源: 解析 C。海豚是哺乳动物,会生下活的幼崽。鸟类是卵生,蛇也是卵生,蝴蝶是完全变态发育,从卵开始。反馈 收藏
Which vertebrate gives birth to live young and nurses them with milk? A. Turtle B. Cow C. Lizard D. Goldfish 相关知识点: 试题来源: 解析 B。解析:本题考查脊椎动物中哺乳类的特征。乌龟(A选项)和蜥蜴(C选项)是脊椎动物中的爬行动物,它们是卵生的。金鱼(D选项)是脊椎动物中的鱼类,也是卵生的。
Bats are mammals which give birth to live young and produce milk to feed them. Over sixty different kinds occur in Australia. Most eat insects, but eight feed only on flowers and fruit, and are known as fruit-bats or flying-foxes. Four of these are among the world's largest bats. They...
题目Mammals give birth to live young. Which mammal gives birth to the most babies at a time? A. Dog B. Cat C. Mouse D. Pig 相关知识点: 试题来源: 解析 D。猪通常一次生的小猪数量比较多。狗和猫一般生的幼崽数量相对较少。老鼠虽然繁殖能力强,但一次生的数量通常也没有猪多。
题目Most mammals give birth to live young. Which of these is an exception? A. Platypus B. Kangaroo C. Whale D. Lion 相关知识点: 试题来源: 解析 A。鸭嘴兽不是哺乳动物,而是卵生动物。袋鼠虽然特殊,但也是有袋类哺乳动物,生育方式不同但仍是胎生。鲸鱼和狮子都是典型的胎生哺乳动物。
题目This animal has fur and gives birth to live young. Which animal is it? A. Bird B. Fish C. Dog D. Insect 相关知识点: 试题来源: 解析 C。狗是哺乳动物,有皮毛,胎生。鸟有羽毛,卵生;鱼有鳞片,卵生;昆虫有外骨骼,卵生。反馈 收藏 ...
Bats are mammals which give birth to live young and produce milk to feed them. Over sixty different kinds occur in Australia. Most eat insects, but eight feed only on flowers and fruit, and are known as fruit-bats or flying-foxes. Four of these are among the world's largest bats. They...