试题来源: 解析 B。解析:乌龟(Tortoise)是爬行动物(reptile),它有坚硬的外壳,这是乌龟的一个重要特征。蛇(Snake)是爬行动物,但没有硬壳。兔子(Rabbit)是哺乳动物(mammal),它的体表是毛发。雀类(Finch)是鸟类(bird),有羽毛、喙和翅膀,没有硬壳。反馈 收藏 ...
Among these animals, which is a reptile? A. Dog B. Lizard C. Hen D. Pig 相关知识点: 试题来源: 解析 B。爬行动物的特点是体表覆盖角质的鳞片或甲。选项 A 狗是哺乳动物;选项 B 蜥蜴体表有鳞片,是爬行动物;选项 C 母鸡是鸟类;选项 D 猪是哺乳动物。
试题来源: 解析 A。解析:信天翁(Albatross)是鸟类(bird),它是一种大型海鸟,经常在大海上飞翔,生活在海洋附近。狮子(Lion)是哺乳动物(mammal),主要生活在草原上。狐狸(Fox)也是哺乳动物(mammal),它们的栖息地多为森林、草原等。短吻鳄(Alligator)是爬行动物(reptile),生活在河流、湖泊等淡水区域或者湿地附近。
The animal kingdom is home to various creatures, some of which have powerful abilities.Box Jellyfish (水母)Found mainly in the waters of the Pacific and Indian Oceans, the box jellyfish is one of the most poisonous creatures on Earth. Its feelers can deliver a very painful bite, which can...
B.Reptiles are cold-blooded egg-laying animals.C.Over 20% of reptile species are at risk of dying out.D.Temperature rising poses the greatest threat to reptiles.(2)What mainly caused the extinction of at least 31 reptile species? AA.Loss of habitats.B.Human hunting.C...
PICKWICK ENCOUNTERS AN OLD ACQUAINTANCE--TO WHICH FORTUNATE CIRCUMSTANCE THE READER IS MAINLY INDEBTED FOR MATTER OF THRILLING INTEREST HEREIN SET DOWN, CONCERNING TWO GREAT PUBLIC MEN OF MIGHT AND POWERThe morning which broke upon Mr. Pickwick's sight at eight o'clock, was not at all ...
[#paragraph2]Starting about 280 million years ago, reptiles were the dominant large animals in terrestrial environments. In popular language this was the era “when dinosaurs ruled Earth,” with a wide variety of reptile species occupying many ecological niches. [#highlight3]However, no group or...
Starting about 280 million years ago, reptiles were the dominant large animals in terrestrial environments. In popular language this was the era “when dinosaurs ruled Earth,” when a wide variety of reptile species occupying many ecological niches. However, no group or species can maintain its ...
How can you tell a snake egg? Reptile eggs can survive brief, gentle handling. If the shell is hard, then it's a bird egg. The shell should feel leathery and have some give to it for it to be a snake egg.Examine the egg under a source of bright light, like a light bulb. ...
It is unclean to you. 29 ‘These also shall be unclean to you among the creeping things that creep on the earth: the mole, the mouse, and the large lizard after its kind; 30 the gecko, the monitor lizard, the sand reptile, the sand lizard, and the chameleon. 31 These are unclean...