Passage 1 Frogs are animals that live double lives. They are amphibians-animals that live both on land and in water. Frogs begin their lives in water and live on land when they mature. These changes are called a life cycle.Frogs, like other amphibians, lay their eggs in water. Most fema...
【题目】SAV E T HEFROGS DAYFrogs are disappearing!2000 kinds of amphibians(两栖动物)are threatened with extinction(灭绝)and may not survivein the 21t century.200 kinds have been extinct in recent ten years and that is not the norm.T hreats to FrogsFrogs are importantHabitats are destroyed....
Amphibians:Amphibians are a group of cold-blooded vertebrates that spend their youths in the water and their adult lives on the land. Amphibians include frogs, toads, salamanders, and caecilians.Answer and Explanation: Amphibians get their name from their ability to live in the water while young...
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.'
必应词典为您提供Frogs-and-newts-are-amphibians的释义,网络释义: 青蛙和蝾螈都是两栖动物;青蛙和都是两栖动物;
Frogs are called amphibians because they can stay both in water and on land.根据上面的短文,选择合适的选项。( )1. How many animals are mentioned in this passage?A. Four B. Six C. Seven D. Eight ( )2. Which animals are important in keeping the balance of nature? E. Chickens. F. ...
根据2000 kinds of amphibians(两栖动物)are threatened with extinction(灭绝)and may not survive in the 21st century.可知2000中两栖动物在21世纪可能不存在,A选项是错误的;根据See some of our local frogs, hear their calls, go on a frog safari, make crafts and play a frog game.活动是青蛙拯救组织...
The Amphibian Order The Class Amphibia (or amphibians) comprise of three modern orders: Anura (toads and frogs) – almost 5,800 varieties Urodela or Caudata (salamanders and newts) – around 580 varieties Apoda or Gymnophiona,burrowing Caecilian– around 170 varieties ...
Another similarity is that many, not all, areomnivoresor insectivores. All reptiles and amphibians have four legs (except for legless lizards in thePygopodidaefamily and caecilians) and a tail (except for frogs). Many reptiles and amphibians use toxins or poisons as a defense mechanism from...
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