What Do Polar Bears and Social Faux Pas Have in Common?Maria Konnikova
根据第一段第二句中的 the decline of Arctic sea ice is the greatest threat to the polar bears可知,北极冰层的减 少是北极熊受到的最大威胁。 13.B细节理解题。 根据第二段最后一句可知,在 不远的未来,由于北极熊很容易受到栖息地 丧失的影响,它们可能遇到灭绝的危险。 14.A细节理解题。 根据第四段第...
What is the main threat to polar bears? A. Hunting. B. Pollution. C. Climate change. D. Loss of habitat. 相关知识点: 试题来源: 解析 C。中文解析:文章中明确提到气候变暖导致北极冰川融化,这减少了北极熊的狩猎场,使它们更难找到食物,所以主要威胁是气候变化。
Polar Bear Food Chain | Ecosystem, Importance & Threats from Chapter 28/ Lesson 35 44K Learn about the polar bear food chain. Explore the characteristics of the food chain in the arctic and see examples of consumers in the polar bear food chain. ...
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.
Polar Bear Conservation It’s not just climate change that is endangering polar bears. The oil and gas industry has presented some threats of its own. Polar bears rely on their habitat in the Arctic to survive. With the oil and gas industry comes oil exploration which also introduces oil sp...
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 colour because of something called pigment(素). Different kinds of pigment make different colours. But polar bears' fur has no pigment. The fur is hollow(中空的)...
阅读以下文段,按要求作答You probably know of grizzly bears(大灰熊) and polar bears(北极熊),but what are“pizzlies”or“growler bears"? These are the terms for a grizzly bear and polar bear hybrid(杂交). Experts think these kinds of hybrids are becoming more and more common.They are calle...
What climate do polar bears live in? What is a polar bear's habitat? What color is a red wolf? What are polar bear adaptations? What color were dinosaurs? What type of population density do polar bears have? What is the scientific name of polar bears?
Where do I find Polar Bears in Minecraft Polar bears can be found in taiga, tundra, cold and frozen biomes. The chances of finding one are higher if the biome is snowy. Polar bears will also spawn in mountains if the altitude is high enough and if the mountain is close to a cold bio...