A. Polar bears. B. Seals. C. Tigers. D. Monkeys. 相关知识点: 试题来源: 解析 B。原因:文章中提到“The unique ecosystems of the polar regions are also home to a variety of other species, including whales, seals, and various types of birds.”,明确提到海豹在南极地区,而北极熊主要在北极,...
Whether bearded seals elsewhere in the world are experiencing a similar baby boom remains a mystery. The Arctic seals evolved alongside polar bears and other large predators, so keeping out of sight is one of their most important survival tools. Elusive behaviors, however, also mean the animals ...
Polar bears need the ice. They can't catch seals as well in the water, where there is no ice.In summer, some of the se a ice becomes water.Now, however, the se a ice is becoming water earlier than it used to. There is not as much time for the polar bears to hunt for food....
Some of the best-known mammal families are carnivorans. Cats, dogs, pinnipeds (seals, walruses and sea lions), and bears are all members of this group. Carnivora: Cats Cats are members of theFelidaefamily. They are fast, agile, and have excellent senses of vision and hearing. There are...
There are eight species (物种)of bears. They are in different colors and sizes. They live indifferent parts of the world. Read the following to learn about three bear species. Panda Polar Bear Brown Bear FOOD Bamboo Seals and small whales Roots. berries, nuts, and fruit SIZE Up...
Are bears placental mammals? Are marsupials placental mammals? Are eels mammals? Are chimpanzees mammals? Are lemurs placental mammals? Are red foxes mammals? Are humans monotremes? Are all pouched mammals also marsupials? Are seals placental mammals?
(1)C.词义猜测题.根据文章第一段,When ice is on the ocean, the polar bears are on the hunt. They are hunting seals.当海洋上有冰的时候,北极熊就会出来狩猎了,他们会捕猎海豹.可知,划线单词意为:狩猎,故选C.(2)B.细节理解题.根据文章第一段,Polar bears need the ice. They cann't catch seals...
Are polar bears mammals or amphibians? Are sharks native to Australia? What sharks live in the Arctic Ocean? Do orcas eat tiger sharks? Are great white sharks amphibians? Are there sharks in the Antarctic Ocean? What family is the whale shark in?
百度试题 结果1 题目Although these bears are strong swimmers, they are no match for lightning swift seals in the water.分值: 2.5相关知识点: 试题来源: 解析 答案: 尽管北极熊是游泳能手,但在水中还是比不过如闪电般迅速的海豹。反馈 收藏
“Cold-adapted animals — including polar bears, foxes, hares, and seals — also need ice for travel and survival.”“Most species of fish, sea spiders, and many other animals and plants that live in the waters of Antarctica don’t live anywhere else,” Stoddard says. “Many of them ...