The color of a polar bear's fur is ___. A. black B. white C. brown D. grey 相关知识点: 试题来源: 解析 B。解析:本题考查北极熊皮毛颜色相关词汇。选项A“black”黑色,北极熊的皮毛不是黑色,A错误。选项B“white”白色,北极熊的皮毛是白色的,B正确。选项C“brown”棕色,北极熊皮毛不是...
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百度试题 结果1 题目The color of polar bear's fur is ___. A. black B. brown C. white D. grey 相关知识点: 试题来源: 解析 C。解析:The fur is not only thick but also white.。反馈 收藏
Drawing from the reflective nature of the polar bear’s hair, it only makes sense that their furlooks slightly like the colorit is under. At sunset, you might even witness bears with a red or orange appearance. A Polar bear’s fur can vary in color depending on the environment and lig...
The polar bear's fur appears white, but in fact, its individual hairs are _. A. colorless B. black C. brown D. grey 相关知识点: 试题来源: 解析 B。解析:北极熊的毛发看起来是白色的,但实际上每根毛发是黑色的。这是因为北极熊毛发的特殊结构使得光线发生折射,让它们看起来是白色,而实际毛发...
a polar bearneeds black skin to collect and store the sun's heat.A polar bear's fur has no color.The fur isvery clear.You can almost see through the fur.Theclear fur helps the black skin collect and store heat.But the fur looks white because of the sunlight.Of course.black fur ca...
解析 B。解析:根据原文Their fur is not actually white but transparent. It appears white because of the way the light is scattered. 可知北极熊的毛实际上是透明的,A选项黑色错误;C选项说毛很薄与原文厚毛层不符;D选项由特殊材料制成文章未提及。
The polar bear has white fur, and its nose is ___. A. red B. blue C. green D. yellow 相关知识点: 试题来源: 解析 A。解析:北极熊有白色的皮毛,它的鼻子是黑色的,但在颜色搭配的选项里,红色相对其他颜色更能体现出北极熊鼻子与白色皮毛之间的颜色对比。蓝色、绿色和黄色都不符合北极熊鼻子...
A Polar Bear showing its thick fur. Polar Bears live in the arctic region surrounding the North Pole, near the coastlines. They are considered marine mammals due to them being adapted for a marine lifestyle. Adult Polar bears can be up to 2.5 m long and weight up to 800 kg, with femal...
The fur of mammals in exposed environments; do crypsis and thermal needs necessarily conflict? The polar bear and marsupial koala compared 来自 学术范 喜欢 0 阅读量: 36 作者:TJ Dawson,KN Webster,SK Maloney 摘要: The furs of mammals have varied and complex functions. Other than for ...