What is the oldest living organism(生物) on the planet? For scientists, accurately proving the age of any long-lived species is a hard task.Under a 300-year-old sweet chestnut tree in the Royal Botanic Gardens in Kew, Tony Kirkham confirms that trees live a long time. Proving this can ...
If the organism does not have an asexual phase in the lifecycle, explain why this might be an advantage for this organism. How did endosymbiosis contribute to the evolution of land plants and animals? Why is there a need to classify the living system from the non-living system? Why is the...
难句解读 (第三段最后一句)The obvious problem is that counting rings normally involves cutting down the tree. 最明显的问题是,数年轮通常需要把树砍倒。 本句是主从复合句。主句为The obvious problem is that...;that引导表语从句。cutting down the tree是动名词短语作宾语。 答案解析 8. C 细节理解题...
Are we in fact destroying the entire living being, or just taking certain of its parts, such as fruits and leaves that are not essential to it, that can actually fall off without doing harm to the whole organism? Professor Marda ...
Living organism. That's architecture for Miroslav Nevlida, whom everyone calls Sven. As a project manager, he is part of a project that will soon change the working environment at Škoda Auto. Together with an international team, he built the new Lauri
2.A 【解析】 根据空后的“Earth”可知,此处指 地球这颗行星(planet)。 4. C 【解】 根据前 “The environment is an organism's surroundings."可知,环境可能包 括(include)水、气体、岩石和温度。 5.D 【解析】 句意:一位生态学家曾经问一个 男孩,他认为保护环境意味着什么。 空处应 用what引导宾语...
But what about digging up a carrot, or picking apples from a tree? 但是挖一根胡萝卜,或者从树上摘苹果呢? Is that wrong too? 这也不对吗? I don’t think so, Neil. 我不这么认为,尼尔。 Plants aren’t alive in the same way as animals, are they? 植物的生存方式和动物不一样,对吧? Th...
因此可推知,划线句“the tree is being crowded out of mountainous areas where it grows”应是在讲述这种情况下造成的结果,即:可生长的山区被柔松占据,使得狐尾松生长区域减少,最终导致狐尾松数量减少。选项D“There will be fewer bristlecone pines growing in those areas.( 在那些地区将会有更少的狐尾松...
Is a tree an organism? Are amoebas single-celled organisms? Are lobosa amoebae heterotrophs? Give a brief description of the common characteristics of living organisms. Is an amoeba a consumer? What are the basic jobs of living things? Are bacteria decomposers? Is plankton a microorganism? Are...
Also, cycads (a type of tropical plant that resembles a palm tree) produce special aboveground roots that harbor nitrogen-fixing cyanobacteria. By growing above the ground, the roots are exposed to sunlight, which the cyanobacteria require for growth. Nitrogen fixation by free-living bacteria in ...