BThere are animals that are able to live in extremely cold weather. One of the best known is thepolar bear of the North Pole.Polar bears live both on land and in the sea. They may drift hundreds of miles on huge pieces offloating ice(浮冰). Polar bears are excellent swimmers too. Th...
The first animals on earth were never able to achieve much in the world because they lived in the sea, which provided limited oxygen, and they had no backbone. For ages there were many kinds of these animals living in the sea and on land. They differed widely from each other and ...
Amphibians, animals such as frogs that can live both on land and in water, have long been known to be capable of breathing through their skin. In fact, the first known lungless frog that breathes only through its skin was discovered recently in the rivers of Borneo. ...
“Today marks the first significant step on the animals’ 13,000—mile migration around the world. Over the past three years, many countries have gone through lockdown,” said Ruth Ganesh, a co—founder of The Real Elephant Collective. “Brought about by worrying situations, this greatpauseis...
Students will ione possible threat to frogs and other animals that are able to liveboth on land and in water by conducting an experiment about acid rain. 3【题目】一道难题,求学霸指点,谢谢!Students will ione possible threat to frogs and other animals that are able to liveboth on land and ...
Being able to land safely is a critically important skill for all flying animals. Comparatively speaking, ground-living animals face no particular challenge when they need to stop running or crawling, while flying animals move at much higher speed, and they must be careful about how they land....
According to the passage, what skill is crucial for flying animals?A. Diving under water.B. Slowing down to land.C. Flying over great distances.D. Balancing on high branches.64. Which of the following is a false assumption about bats that was recently corrected?A. They cannot hear.B. ...
If you go to Africa, you'll be able to see giraffes. Giraffes are the world's tallest mammals (哺乳动物). They are special land animals with long necks, long legs, and stripes (斑纹) all over the body. Giraffes have eyes on top of their heads that grow to be about five inches ...
【题目】 The first animals on earth werenever able to achieve much in the world because they lived in the sea, which provided limitedoxygen, and they had no backone. For ages there were many kinds of these animals living in the sea and on land. T hey differed widelyfrom each other ...
【题目】The first animals on earth were never able to achieve much in the world because they lived inthe sea, which provided limited oxygen, and they had no backbone.For ages there were many kindsof these animals living in the sea and on land. They differed widely from each other and ...