声明: 本网站大部分资源来源于用户创建编辑，上传，机构合作，自有兼职答题团队，如有侵犯了你的权益，请发送邮箱到feedback@deepthink.net.cn 本网站将在三个工作日内移除相关内容,刷刷题对内容所造成的任何后果不承担法律上的任何义务或责任
It is a natural process of animal species to become extinct (e.g. dinosaurs, dodos etc.). There is no reason why people should try to stop this from happening. Do you agree or disagree? Give reasons for your answer and include any relevant examples from your own knowledge or experience....
In the last decade, new methods of estimating global species richness have been developed and existing ones improved through the use of more appropriate statistical tools and new data. Taking the mean of most of these new estimates indicates that globally there are approximately 1.5 million, 5.5 ...
How many insect species are in your country? The example of Trinidad and Tobagodoi:10.1080/00222933.2017.1339838StarrJournal of Natural History
On less steep hills, some species of penguins, especially the Emperor penguins or Adelie penguins who live in Antarctica, are famous for tobogganing. They slide on their tummies, using their flippers for guidance and their legs for propulsion. However, the penguins need the right type of condi...
Biodiversity(生物多样性), or biological diversity, is a wide-ranging concept that covers all the different kinds of plant and animal species present on earth. Environmentalists believe that many millions of species exist. As all these living organisms are dependent on each other i...
题目When birds' habitat is destroyed,some species don't make it while others survive.But what happens at the very beginning of the process,just as a bird's habitat starts to change?Research in Argentina's Monte Desert has provided some answers.There are lots of trees,b...
Knowing just who we share the planet with is of particular concern now because global warming, deforestation and other signs of human development are threatening many species, which may be essential to the functioning of ecosystems or may have inherent value in terms of developing medicines or othe...
Many animal and plant species have become extinct and many more are in critical danger. Dodos The Dodo is a classic example of how human caused damage to the earth’s biology.The flightless Dodo was native to the Island of Mauritius in the Indian Ocean.The easily controlled bird became a ...
International trade is widely acknowledged as a conduit for movement of invasive species, but few studies have directly quantified the invasion risk confronting individual locations of interest. This study presents estimates of the likelihood of successful entry for alien forest insect species at more th...