According to The Washington Post, although polar bears usually look white,their fur (毛) isn't white at all. And their skin(皮肤)is black!Our hair gets its color because of something called pigment(色素). Different kinds of pigment make different colors. But polar bears' fur has no ...
A. Their fur's color that can change in cold weather. B. Their fur that reflec ts sunlight. C. Their natural white color.6 D.The fact that they cover themselves in snow.23. What can't we learn about polar bears nccording to the passage? A.They have a powerful sense of smel...
Polar bears live in the snow and ice. At the North Pole there is only snow ice and water. There is no land. Sometimes you're hartK难的) to see the polar bears because their coats are yellow white. They have very warm coats because it is cold there. An adult (成年的) bear can ...
What Will Happen to the Polar Bears?
Polar bears have adaptations that allow them to live in harsh, cold conditions. Discover the polar bears' distinctive adaptations, from webbed feet to black skin, and learn about the habitat that makes these adaptations necessary. Related to this Question ...
Usually some things have changed--new houses, new buildings, sometimes even a new road. The bus driver has a style of driving and it’ s fun to try to figure it out the first hour or so. If the driver is particularly reckless or daring, the fide can be as thrilling as a suspense ...
根据“Climate change harms polar bears”可知是气候变化伤害了北极熊。故选B。 (2)题详解: 细节理解题。根据“Over 2/3 of the world’s polar bears are found in Canada.”可知世界上大部分北极熊在加拿大。故选A。 (3)题详解: 推理判断题。根据“Polar bears can walk over 3,000 km each month...
Few children grow up without knowing or having a toy bear but how much do you know about bears’ life? How do bears get food? Some large bears have claws (瓜子) about five inches long. They use the claws to dig up roots (根) and catch fish. In the snow a polar bear (北极熊) ...
What Color Are Polar Bears, Actually? When they are just cubs, polar bears have brown fur but as they grow and mature, they develop the white fur they’re easily recognized by. Their fur is translucent, which means it only appears to be white because it’s actively reflecting any visible...
What is a polar bear's habitat? What kind of fish do black bears eat? What eats penguins? What biome do polar bears live in? What do moose eat in a boreal forest? What eats rockhopper penguins? What eats arctic foxes? What do koalas eat in zoos?