百度试题 结果1 题目Polar bears mainly eat ___. A. fish B. grass C. seals D. fruits 相关知识点: 试题来源: 解析 C。解析:They mainly eat seals.。反馈 收藏
Are you aware of what do polar bears eat? The polar bears are carnivorous by nature and the most flesh-eating animal in the bear family. Most of the polar bears predominantly eat ringed and bearded seals.
With Arctic sea ice shrinking from climate change, many polar bears have to shift their diets to land during parts of the summer.
百度试题 题目Polar bears live___ on sea ice,which they use as a platform for hunting seals A.most B.almost C.nearly D.mostly 相关知识点: 试题来源: 解析 D mostly意为大部分的时候,相当于 反馈 收藏
NORWEGIAN scientists have seen polar bears eating dolphins in the Arctic for the first time ever and blame global warming for the bears expanding their diet. Polar bears feed mainly on seals but Jon Aars at the Norwegian Polar Institute has photographed dolphins being devoured by a bear and publ...
Polar bears live on the cold ice. They have very thick fur and a layer of fat. They like eating seals and fish.Polar bears have a great sense of smell. They can sniff out animals from up to 16 kilometres away! They are also good swimmers.Now, polar bears are becoming endangered(濒危...
“Polar bears are seal-eating machines.” The researchers found that polar bears spend about 60 percent more energy than we thought, needing to eat more high-fat seals than scientists had believed. In fact, the bears were found to need over 12,000 kilocalories a day to break even, and ...
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. Polar bears always have to wash after eating food. Black bears live in forests.They love to eat many kinds of plants, much...
(various species, including ringed, bearded and harp seals) in August(the only summer month reported),less than half of the 58 kills recorded in April(highest kills for a spring month); only one kill was recorded in October. So, while it is clear that some bears were eating ...
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. Polar bears always have a good wash after eating food. Black bears live in the forests. They love to eat many kinds ...