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...
根据第二段第一句They are calledpizzlies"when the father is a polar bear可知,pizzlies的父亲是polar bear,因此D项的表述不正确。2.A词义猜测题。因为冰融化了,所以北极熊被迫向南移动。所以melts是“融化”的意思。3.C细节理解题。根据第五段第二句There are manymore grizzly bears than polar bears.可知...
Polar Bears and Grizzly BearsNADIA
Polar Bears Black Bears and Grizzly Bears,北极熊黑熊和灰熊,Deborah Hodge,Kids Can Press,Polar Bears Black Bears
and grizzly viewing adventures. See the grizzly bears of the lush Great Bear Rainforest gorge themselves during the annual salmon run. From here, travel to the unforgiving arctic ecosystem of Canada’s Hudson Bay, where polar bears prowl the barren Tundra waiting for seal hunting season to ...
* Werner Herzog's 2005 film Grizzly Man deals with the story of Timothy Treadwell, a man who lived for over 13 years with Kodiak brown bears before being killed by them in Alaska. * In April 2006, the first grizzly-polar bear hybrid found in the wild was discovered at Banks Island, ...
Pizzly bears possess the unique ability to produce viable offspring, a characteristic attributed to the relatively recent divergence of their parent species. Grizzly bears and polar bears separated only about 500,000 to 600,000 years ago in evolutionary terms. This close genetic relationship allows th...
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Bears of the last frontier : the journey of a lifetime across Alaska in search of black, grizzly, and polar bears, Chris Morgan. 1584799315 (alk. paper), T... C Morgan 被引量: 0发表: 2011年 Major Three-part Series to Profile the Bears of Alaska: "Bears of the Last Frontier" on ...
Grizzly bears have a huge size with an average body size of 6.5 feet, and an average body weight of 180 to 360 kg (400 to 790 lbs). Their current habitat range covers Alaska, parts of the northwestern United States, and much of western Canada. ...