()60. -How many species of animals do you think will be threatened with extinction when the surroundings around are damaged by mankind?-I expect quite a few. A. there being S B. there to be C. there have been D. there be 相关知识点: ...
2020/10/15 练习记录 练习答题 Many scientists believe that intelligent life forms may exist on other planets and messages should be sent into space to contact these life forms. Other scientists think this is a bad idea because these life forms could ...
Campiao, K. M., De Aquino Ribas, A. C., Morais, D. H., Da Silva, R. J., and Tavares, L. E. R. (2015). How many parasites species a frog might have? Determinants of parasite diversity in South American anurans. PLoS ONE 10:e0140577. doi: 10.1371/journal.pone.0140577...
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
“We could have kind of a Dow Jones index of the environment,” Fisher said. No simple answer Though taxonomists have been cataloguing plants and animals for more than 250 years, they still have no exact answer to the question, “How many species are on Earth?”“It’s a very ...
The assumptions on the host specificity of beetles that led Terry Erwin to suggest that there may be over 30 million arthropod species were tested for 10 species of trees and their insect associates at a rainforest site in Papua New Guinea. The data included 391 species and 4696 individuals ...
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...
With 1 million insect species named, this suggests that 80% remain to be discovered and that a greater focus should be placed on less-studied taxa such as many families of Coleoptera, Diptera, and Hymenoptera and on poorly sampled parts of the world. DNA tools have revealed many new species...
Nowadays, many wild animals around the world are in danger. Some kinds of them are dying out at an alarming rate (以惊人的速度). Between 150 and 200 species (物种) disappear every day. To make us aware of the serious problem and help save the animals in danger before it’s too late...
We live in a ‘throwaway culture‘, where many of our things aren’t built to last. Each year, every house in the UK produces about1 tonne of waste– that’s about the same weight as agreat white shark! What’s worse, is that60%of what we throw away, is actuallyrecyclable! That’...