单词:extinct species
extinct species的用法和样例:
例句
- Botanists believed that the species is extinct in the wild.植物学家相信本种已在野外绝灭。
- Although the original species becomes extinct, its genes are carried by the new group.原来的种虽然绝灭了,但其基因则被一个新的门类所继承。
单词:extinct species 相关文章
Passage Two 14. A) It limited their supply of food. B) It made their eggshells too fragile. C) It destroyed many of their nests. D) It killed many baby bald eagles. 15. A) They found ways to speed up
Whales are absolutely beautiful creatures. It's amazing to think how big they are. But I guess they're a tiny dot when they're in the ocean. I think whales are among the most interesting animals on Earth. Are they animals or fish? I know they are mam
[00:01.94]Fresh water [00:03.71]Rivers, lakes and wet-lands are sources [00:06.23]of fresh water,not only for humans, [00:08.50]but for wildlife too. [00:10.35]Due to pollution and climate change, [00:12.60]about 50% of the world's fresh water habita
[00:00.86]Another endangered species, [00:02.83]the Yangtze Dolphin,is China's only fresh-water [00:06.53]dolphin and is sometimes called' the panda [00:09.35]of the Yangtze River'because it is so rare. [00:13.11]its numbers are decreasing for severa
本讲为2005年下半年新的教学内容,请对照教材听录音! plant species are not the only forms of life (threatened with ___ (extinct) in the rainforest). Threaten … with …. He thre
将地球上所有植物的种子都存储起来,形成我们的植物种子王国。已经有些植物是濒临灭绝的了.... Rob: Hello! Im Rob, this is 6 Minute English - and today, I'm joined by Yvonne. Hello, Yvonne. Yvonne: Hi Rob! Rob: Tod
By David McAlary Scientists have discovered fossils of an ancient, tiny species of human in an isolated part of Indonesia. They are bones from what they say is a smaller version of the now extinct imm
Conservationists are overestimating the number of species that have been driven to extinction(消失), scientists have said. A study has found that a third of all mammal species declared extinct in the past few centuries have turned up alive and well
This is Scientific American's 60-Second Science. I'm Sophine Bushwick. Got a minute? Crickets make a big contribution to the sounds of a summer night. And theyve been doing so for some 165 million years. Now paleontologists have reconstructed the son
The US announced on Wednesday that it will support a ban on the international trade of Atlantic bluefin tuna. The announcement comes prior to this month's meeting in Qatar of the Convention on International Trade in Endangered Species of Wildlife Fau
By George Dwyer Washington 30 May 2007 Ivory-billed woodpecker A North American bird believed to have become extinct in 1944 has apparently re-appeared. The Ivory Billed Woodpecker was rediscovered in February 2004 when it was reportedly spotted twic
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about mammal populations in danger of disappearing. We will also tell about one kind of animal that disappeared
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. Today, we examine a new report about the health of the world's many plants and animals. (MUSIC) VOICE ONE: The orangutan is among anima
AS IT IS 2016-05-16 21 Percent of Worlds Plants Could Disappear 世界上21%的植物可能会消失 One in five of the worlds plants is currently at risk of disappearing forever. That is what a report by the Royal Botanic Gardens in London says. 全球
By Phil Mercer Sydney 21 May 2008 Australian and U.S. scientists have successfully inserted a gene from the extinct Tasmanian tiger into a mouse embryo. They say the result has been bone and cartilage from the extinct marsupial developing inside the
Passage Two 14. A) It limited their supply of food. B) It made their eggshells too fragile. C) It destroyed many of their nests. D) It killed many baby bald eagles. 15. A) They found ways to speed up the reproduction of bald eagles. B) They developed
题目: At various times in the geological past, many species have become extinct as a result of natural, rather than human, processes. Thus, there is no justification for society to make extraordinary efforts, especially at a great cost in money a
同样主题,SAT写作题目切进角度相对较浅。 例如,隐私的这个话题,SAT只会问人是否应该保护隐私?而GRE题目则会这样说:某些明星、政客不得不,甚至愿意让公众对他们的隐私感爱好。论述起
Now, extinction is a different kind of death. It's bigger. We didn't really realize that until 1914, when the last passenger pigeon, a female named Martha, died at the Cincinnati zoo. This had been the most abundant bird in the world that'd been in N