百度试题 结果1 题目Insects have six legs. Reptiles have four legs. How many legs do insects have? A. Four B. Six C. Eight 相关知识点: 试题来源: 解析 B。本题考查对昆虫和爬行动物的特征认识以及数字词汇的用法。昆虫有六条腿。反馈 收藏 ...
All birds have two wings. 所有的鸟都有两个翅膀。 Mother birds lay eggs. 母鸟下蛋。 Reptiles 爬行动物 Reptiles have cold blood. 爬行动物是冷血的。 All reptiles have scales. 所有的爬行动物都有鳞片。 Mother reptiles lay ...
Snakes are reptiles. They have no legs. What do snakes move with? A. Wings. B. Legs. C. Tails. D. Bodies. 相关知识点: 试题来源: 解析 D。蛇用身体移动。选项 A 蛇没有翅膀;选项 B 蛇没有腿;选项 C 尾巴不是主要移动器官。本题考查对蛇移动方式的了解。
Why do dogs sleep between your legs? Why do crickets chirp? Why do cats have tails? Why do birds flutter their wings? Why are frogs said to have two lives? Why do sand flies bite? Why do reptiles have scales but not amphibians?
Do turtles have hair on their back? Reptiles Do NOT have fur. Rather than having fur reptiles have skin that is tough and covered with waterproof scales. The scales of a reptile are made from keratin; the same substance that makes nails, feathers, hair, and horns of other animals. ...
题目What do reptiles use to protect themselves? A. Their big teeth B. Their strong legs C. Their hard shells D. Their sharp claws 相关知识点: 试题来源: 解析 C。本题考查爬行动物的自我保护方式。爬行动物常利用坚硬的壳来保护自己,A 选项“big teeth(大牙齿)”、B 选项“strong legs(强壮的腿...
Generally speaking, much like humans, the male of the insect species uses his sex organ to deposit sperm into the female's genital tract spurring on internal fertilization. But there are some standout cases where males and females make no contact at all. ...
Although adult chiggers have eight legs, when they are in their biting larval stage they have just six. And unlike ticks,chiggers don't carry Lyme disease or Rocky Mountainspotted fever. Chiggers aren't really good at biting, and can bite only thin skin, which is why they bite children or...
Do amphibians have external fertilization? Can amphibians lay eggs on land? Do frogs have teeth? Do frogs have salivary glands? Do all amphibians live near water? Do amphibians have a complete respiratory system? Did amphibians evolve into reptiles? Did amphibians evolve from reptiles? Did amphibia...
©iStock.com/reptiles4all You’ll be surprised to learn that it isn’t actually of matter of snakes not needing eyelids but rather the fact they needmore. You see, because snakes don’t have legs, they’re constantly on the ground. This means that their eyes are also being exposed to...