Frogs, along with toads, salamanders, and a few other species, are amphibians. Some characteristics of amphibians include absorbing water through the skin and being cold-blooded. The word 'amphibian' means 'two lives' or 'dual lives.'
Why are there two tails to some comets? Why do we have blood? Why are frogs said to have two lives? Why do cats sniff each others noses? Why are the testes located in the scrotum? Why do human nails grow so long? Why do frogs have long legs? Why would a dog have a dry nose...
根据第一段“Why does the giant squid (乌贼) have eyes as large as a football? Why do more than 350 species of fish produce their own electricity? Why do dogs become more optimistic after two weeks of plentiful sniffing (嗅)? (为什么巨型乌贼的眼睛有足球那么大?为什么超过350种鱼类能自己发...
But do you know that some frogs live in trees, too Tree frogs are hard to find. They can change color. On green leaves, they stay green. On a branch, they keep brown. Some tree frogs can change from green to gold or blue.Tree frogs have legs and wide feet. They have sticky pads...
Tough little frogs Posted onJune 8, 2019 4 If a magical being pops into existence in front of you and demands that you choose a non-human animal into which you will be reincarnated, one of the first things you should consider is: how many babies does the species have, and how big are...
"This they would sing, as a chorus, to words which to many would seem unmeaning jargon, but which, nevertheless, were full of meaning to themselves.I have sometimes thought that the mere hearing of those songs would do more to impress some minds with the horrible character of slavery, ...
根据第一段中的“But some people have snakes as their pets, because…it is very cool to do this.”可知,一些人把蛇当作宠物是因为这样做很酷,故选D。 (2)【答案】C 【解析】:细节理解题。根据第二段中的“They usually eat fish and frogs.”可知,它们吃鱼和青蛙,故选C。 (3)【答案】B 【...
C.how much do people enjoy travellingD.whether people’s love for traveling with frogs 免费查看参考答案及解析 题目: —Why did the car hit the boy—Because the driver ___ on the phone at that time.A.was talkingB.is talkingC.talkedD.has talked 免费查看参考答案及解析 题目: ﹣Could yo...
(1) What do students feel when they study? A. Time passes more slowly. B. Time is limited. C. Time passes quickly. (2) When do people have more dopamine? A. When they stay at home. B. When their expectations are met. C. When they know what will happen next. (3) How can we...
Why don't amphibians have scales? Why do human females have breasts? Why are dolphins different colors? Why do ships have hulls painted two different colors? Why are frogs said to have two lives? Why are cells spherical? Why are fibrous joints important? Why do hurricanes spin counterclockwise...