C. Black bears.D. Brown bears.( )24. Where do brown bears usually live?A. On the ice.B. Near the river.C. In the forests.D. In the mountains. 相关知识点: 试题来源: 解析 23. B 24. D 23题: 第二段描述了北极熊的习性,"They" 指代的是北极熊,因为它们是白色的,所以经常躲在树下...
Polar bears always have a good wash after eating food. Black bears live in the forests. They love to eat many kinds of plants very much. Brown bears usually live in the mountains. Once(一次) a year, the brown bears go to the rivers and lakes to find fish to eat. Brown bears also ...
In this study, we investigated the population dynamics of polar bears in Alaska's SBS from 2001 to 2016 using a multistate Cormack-Jolly-Seber mark-recapture model. States were defined as geographic regions, and we used location data from mark-recapture observations and satellite-telemetered ...
1)Polar bears are found in the frozen wilds of theArctic, in Canada, Alaska (US), Greenland, Russia and Norway. 2)These are seriously big bears, gang. Adult polar bears can measure over2.5m longand weigh around680kg. Their huge size and weight make them the largest living carnivores (...
With the beginning of the summer, polar bears move to the Chukchi Sea and the Arctic Ocean. In Alaska, polar bear population is concentrated in two regions. One of them is near Wrangell Islands in the western region of Alaska while the other is found in the Beaufort Sea near the North ...
Three kinds of bears live in Alaska, America. They are the polar bear (北极熊), the black bear and the brown bear.People can also call polar bears white bears because they are white. They usually live on the ice and like to eat seals (海豹). They always work hard to find seals. ...
根据第二段中的 "Polar bears are very dangerous" 和第四段中的 "Black bears are dangerous too" 可知,北极熊和黑熊的共同之处是它们都很危险。故选B。 26. 根据第一段 "Three kinds of bears live in Alaska, America. They are the polar bear, the black bear and the brown bear" 及下文对这...
[03:03.36]population decline has sped up in recent years. [03:08.96]Between 2011 and 2016, for example, [03:14.36]the polar bear population dropped just 11 percent. [03:19.92]There are 19 populations of polar bears [03:24....
What is the population of cheetahs? How many species of whales live around Antarctica? What makes polar bears unique? How many animals live in the Arctic Ocean? What is the binomial nomenclature for polar bears? Are polar bears native to Alaska?
Polar bears can be found on Alaska’s north and northwest shores all year. ©Vaclav Sebek/Shutterstock.com Polar bears in Alaska can be found in two particular locations. Of these polar bear groups, the Southern Beaufort Sea population settles along Alaska’s northern coast down to the Canadi...