相关知识点: 试题来源: 解析 The answer is A. More than 27,000. 图片中提到“In fact, humans don't really need the rhinos. Only the ticks ( )”. 意思是“事实上,人类并不真的需要犀牛。只有蜱虫()”。说明犀牛的数量很多,故选A。反馈 收藏 ...
Besides "unicorn of the sea," the narwhal is known by another name:corpse whale. An adult narwhal has a mottled dark gray or black and white color, and some morbid observer must have decided that the patchy discoloration resembledlivor mortis, what happens to a body after death when blood ...
“The northern white rhinos, of which there are only two left, are just the red light warning of what is happening to the planet,” Mwenda says. How to help He adds that anyone and everyone has the power to do something about it, whether it’s becoming a monthly donor of the Ol Pej...
In some parts of the world they are revered and protected; in other places they are captured and eaten for dinner. One thing is certain: They’re everywhere.
Not knowing how many narwhals there are makes it harder to figure out how many we have left and how many are disappearing. Environmentalists decry hunting quotas imposed by the government as too high. Even with the numbers we do have, the number of narwhals that are killed only to sink...
Another scientist Krisiloff got to know was Jeanne Loring, a stem cell biologist at the Scripps Research Institute. Working with the San Diego Zoo, Loring had previously frozen cells from one of thelast northern white rhinos, a species on the verge of extinction. She was interested in egg-...
It seemed they hadn't a white family on the train for a very long time. I went in to the station early in the day to book. It was very quiet and the booking man was very nice. I did stress that the children needed to be comfortable. The train left on time at 7.30pm. The ...
The Lamai Wedge in the northern part of the Serengeti near the Mara River provides excellent views of the migration and river crossings. Tanzania: Nature’s Geological Wonder Tanzania’s Serengeti and Ngorongoro Crater are more than just scenic—they’re geological masterpieces. The Ngorongoro Crater...
In the far northwest of the park, the Busanga swamps and adjacent plains are a highlight of Kafue. Much of this northern sector is permanently waterlogged, but in the dry season (May to November) the water recedes, leaving vast expanses of lush grazing — irresistible to an array of wil...
Western Bosnia and Herzegovina has become a bottleneck for migrants and refugees who are fleeing through the Balkans. In the past year, many of them have been caught en route to Northern or Western Europe in Slovenia and then systematically handed over to Croatian authorities. In Croatia, they ...