Polar bears are strong creatures, standing up tonine feet tall and weighing up to one thousandpounds. 1 Their snow-white coat is thick,with a double layer of fur. Also, a layer of fat lies justunder their skin, keeping them extra warm. For months,polar bears have to live off this fat...
【题目】 Polar bears are strong creatures, standing up to nine feet tall and weighing up to one thousand pounds.【小题1】 T heir snow-white coat is thick with a double layer of fur. Also, a layer of fat lies just under their skin, keeping them extra warm. For months polar bears ...
Polar Bears ivz Polar Bear ivz Polar Bear CineGeek Polar Bear walking in the Snow ronib1979 Close up of a captive Polar bear. Handheld BlackBoxGuild Polar Bear CineGeek Wide shot of a Polar Bear sow and two cubs resting. Both cubs look at the camera, then at each other BlackBoxGuild ...
READ:How Tall is a Polar Bear Standing Up? Unlike pregnantfemales, polar bears remain active all around the year. They can remain without food for several months especially during summer. Polar bears also feed onreindeer, rodents, shellfish, crabs, wild foods, muskox,birds’ eggs,dolphins, an...
Well, polar bears depend very much on having sea ice to move about and to hunt on and with the ever present threat of global warming, the ice is slowly melting. An adult male polar bear is big. Standing upright at almost 10foot and weighing up to 700lbs, they can weigh twice as ...
根据第四段“Polar bears are not the only animals that are suffering”,第五段“Animals like walruses and seals …The loss of ice means the loss of their habitat”可知遭受损失的不仅是驯鹿还有北极熊,海象和海豹。可知是否定回答。故填No, they aren’t./ No.【小题3】根据第一段“ the solid ...
Do you know anything about Polar bears? Here are some interesting facts about these fascinating animals. Polar bears are the largest land carnivores (食肉动物) in the world, with adult males weighing up to 1,500 pounds and standing up to 10 feet tall. They are excellent swimmers and have ...
Polar bears are not the only animals that are suffering. Animals like seals also depend on the ice to rest, give birth and (6)r___ babies. The loss of ice means the loss of their habitat (栖息地). Since there's now more rain, moss (苔藓) and grass are locked in ice instead...
Polar bears have a gestation period of up to about seven months including this delayed implantation. Pregnant females will dig a cave in a snowbank to give birth in; called a maternity den. Polar bears do not hibernate in winter, unlike most brown bears and black bears, and will continue ...
As the Earth heats up, larger quantities of ice are melting earlier in the year, removing the vital hunting platforms which polar bears use to hunt seals. This habitat loss is preventing polar bears from building up the requisite fat reserves to survive in the harsher and leaner parts of ...