Theirfeathers(羽毛)keeptheirbodieswarm.Thefeatherskeepthecoldwindout.Sometimesthebirdssitdownandcovertheirlegswiththeirfeathers.(1)Whatisthemainidea?A A. Featherskeepbirdswarminwinter. B. Birdslikethewinter. C. Manybirdsflysouth. 相关知识点: 试题来源: 解析 (1)主旨大意题。根据Howdobirdsstaywarmi...
How do penguins survive and thrive in the coldest climates? Being warm blooded they must keep their body temperature constant.Be BigWarm blooded animals in cold climates are pretty large, even the smallest Antarctic birds are on the large side and the smallest Antarctic penguin, the Rockhopper is...
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Birds that had big brains, relative to their bodies such as the song sparrow and other New World sparrows, had body-size reductions that were only about one-third of those observed for birds with smaller brains, the study found. Wood warblers (Parulidae) tended to have smaller brains and ...
Stay Away Tooth DecayObjectives: The students will learn about good dental hygiene. The students will talk about what is good for your teeth and what is bad. Materials: Berenstain Bears Visit the Dentist (or other dentist book) One hard boiled egg for each child... ...
Dogs are great at panting. Cats pant, too. Even birds do it! Cold Water Feels Great On A Hot Day! Swimming is a lot of fun. It also cools you off. Jumping in cold water feels great on a hot day. Animals li...
Polar bears stay warm because of their fur and a layer of fat called blubber. The fur of the polar bear is like a heavy blanket; only this blanket...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your...
I explained to the kids that the bag was like skin and the butter was like blubber. We were going to see how well skin alone would keep an animal warm compared to how well skin plus blubber would keep an animal warm. My son went first, and put one finger into the empty bag. He ...
We show you the clothes and recipes you'll need to stay warm in The Legend of Zelda: Breath of the Wild.
Here are tips to stay warm and safe inextremely cold weather. Be sure to dress properly when wind chills are too extreme to even think about. *Wear loose, lightweight, warm clothing in several layers. Trapped air between the layers acts as an insulator. Layers can be removed to avoid per...