47. D that modern corn may be a hybrid of teosinte and other wild species that no longer exist. A. Now is thought B. Thinking C. The thought D. It is thought 相关知识点: 试题来源: 解析 答案见上47. D. 本题句意为“人们认为现代玉米可能是类蜀黍和其他已不存在的野生物种的杂交物种。”...
If extinct species can be brought back to life, can humanity begin to correct the damage it has caused to the natural world over the past few millennia? ‘The idea of de-extinction is that we can reverse this process, bringing species that no longer exist back to life,’ says Beth Shapi...
It is thought that modern corn may be a___of teosint and other wild species that no longer exist. A. hybrid B. combination C. compound D. mixture 相关知识点: 试题来源: 解析 A 正确答案:A 解析:句意:人们认为现代玉米可能是墨西哥类蜀黍和其他已不存在的野生品种的杂交。hybrid(指动植物...
'The idea of de-extinction is that we can reverse this process, bringing species that no longer exist back to life,' says Beth Shapiro of University of California Santa Cruz's Genomics Institute. 'I don't think that we can do this. There is no way to bring back something that is 100...
Is it Impersonally Bad for a Species to No Longer Exist?extinctionpresentismeternalismimpersonal valueI investigate the claim that it is impersonally bad for a species to no longer exist. This claim is neither about the personal bads that might accompany this ouSocial Science Electronic Publishing...
Species III: Directed by Brad Turner. With Robin Dunne, Robert Knepper, Sunny Mabrey, Amelia Cooke. As her species decays succumbing to infections and illnesses, an alien seductress immunologically stronger becomes the only hope for them to live on.
Many species of animals which once lived on the earth are no longer in existence. 相关知识点: 试题来源: 解析 Many species of animals which once lived on the earth are no longer in existence. 很多曾在地球上生存过的动物物种现在已绝种了。
but they are not as recognizable to the general population as a type of crab.There have been groups of bacteri a that have been around for not only hundreds of millions of ,but actually several billion-far longer than the age of the oldest living animal-but bacteri a are not animals.*...
Here's a list of the most threatened animal species in the world. It approximates how many of each exist in the wild and also indicates which efforts, if any, are being used to save them.
Ecological theory predicts that species can only co-exist if intra- specific competition exceeds inter-specific competi- tion, a scenario that can apply if competing species differ in their resource use or are spatially separated from one another (Holt et al., 1994; Chesson, 2000; Lankau, ...