The ___ of new species in the rainforest is a topic of great interest to biologists.A. appearanceB. discoveryC. existenceD. amounts 相关知识点: 试题来源: 解析 A。在雨林中,新物种的“出现”,“appearance”更符合语境,“discovery”侧重于被发现;“existence”指存在;“amounts”用于不可数名词...
A new species of snake has been discovered on a remote island in the Bahamas. Scientists identified 20 of the 1-metre-long snakes during two trips to the Caribbean islands. The second trip was made in October last year. One of the creatures made a dramatic appearance by moving onto the...
Pacific ecosystems evolved in relative (but differential) isolation from the continental crucibles of biological evolution.This meant opportunities for speciation: the development of new species occupying ecological niches that elsewhere were already filled.The finches described by the naturalist Charles Darwin...
最近天气有点凉,多注意自己的身体,可别着凉了! 正在翻译,请等待...[translate] a资产规模急剧增加 Property scale sharp growth[translate] aDarwin proved that natural selection is the chief factor in the development of species. Darwin证明,自然选择是首要因素在种类的发展。[translate]...
Secondly, for some activities, it is hard to define whether their application of animals is necessary or not, such as in the field of medicine production. For instance, animal experiments are essential in the development of new medicines. Therefore, animal tests cannot be stopped in the short ...
百度试题 结果1 题目A speech about the discovery of a new species is a(an): ___. A. Persuasive speech B. Chronological speech C. Special occasion speech D. Informative speech 相关知识点: 试题来源: 解析 D 反馈 收藏
【答案】C【核心短语/词汇】discover:发现【翻译】科学家正在探索深海以发现新物种。【解析】A. depending 依靠,现在分词;B. saving 拯救,现在分词;C. exploring 探索,现在分词;D. building 建造,现在分词。根据“the deep sea to discover new species(深海以发现新物种)”可知,此处表示“探索”,C项符合题意。
A new species of the genus Koreaniscus from China (Crustacea: Isopoda)Tang, BHong, G
For three of the four model types, the effects of species on each other were consistently negative: a significant trend. These results contradict the various neutral models of ecological communities. 展开 关键词: Competition Environmental filtering Functional niche Nearest-neighbour New Zealand ...
3. What is the right order of the development process (发育过程) of a butterfly?① It becomes a pupa. ② It becomes a walking insect. ③ Female butterflies lay an egg. ④ It spreads wings and flies away. A.①→②→③→④ B.①→②→④→③ C.③→②→①→④ D.③→②→④...