Frogs are animals that can live both in water and on land.There are more than 5,000 kinds of frogs on the earth.The earliest known frogs lived about 190 million years ago and the frogs today still look the same.Here are some fun things that you might not know about frogs.Enjoy!The ...
The Cryogenic AnimalSome frogs like the Common Wood Frog have a special ability to live in very cold places. When the temperature goes down, they become ice frogs. 2/3of their body water freezes. Their hearts stop, and their breathing stops too. You may think they are dead, but in ...
What are frogs? Frogs are a kind of small animal belonging to a group called vertebrates (animals with backbones) known as amphibians. This means that they live part of their life in water and the other part of it on land. The word amphibian comes from 2 Greek words, “amphi” which ...
Its body can be about 30cm long, about the size of a large cat. The Gold Frog and the Poison Frog are the smallest frogs in the world. They are less than 1cm long. The Poison Frog is very small, but it is not weak at all. It is dangerous. Any animal that eats it will die ...
body can be nearly 30cm long, about the size of a large cat.The Gold Frog and the Poison Frog are the smallest frogs in the world.They are less than 1cm long.Though the Poison Frog is very small, it is not weak at all.It is dangerous.Any animal that eats it will die very soon....
(5.5cm).That might be the reason why frogs are called the best jumpers on the earth.The Cryogenic AnimalSome frogs like the Common Wood Frog have a special ability to live in very cold places.When the temperature goes down,they become ice frogs.2/3of their body water freezes.Their ...
【解析】 56.D 由文章第一段中的"T he earliest known f rogs lived about 190 million years ago...(已知 最早的青蛙生活在1.9亿年前...)”可知选D。 57.A 由文章第二段的"T he Gold Frog and the Poison Frog are the smallest frogs in the worl d.”可知,Gold Frog是地球上最小的青蛙之一...
The Cryogenic AnimalSome frogs like the Common Wood Frog have a special ability to live in very cold places. When the temperature goes down, they become ice frogs. 2/3of their body water freezes. Their hearts stop, and their breathing stops too. You may think they are dead, but in ...
Its body can be nearly 30cm long about the size of a large cat. The Gold Frog and the Poison Frog are the smallestfrogs in the world. They are less than 1cm long. Though the Poison Frog is very small it is not weak at all. It is dangerous. Any animal that eats it will die ...
Africa.Its body can be nearly 30cm long,about the size of a large cat.The Gold Frog and the Poison Frog are the smallest frogs in the world.They are less than lem long.Though the Poison Frog is very small,it is not weak at all.It is dangerous.Any animal that eats it will die ...