How a few scientists transformed the way we think about disease - Tien Nguyen 04:40 How a wound heals itself - Sarthak Sinha 04:02 How a single-celled organism almost wiped out life on Earth - Anusuya Willis 04:14 How brass instruments work - Al Cannon 04:12 How can we solve ...
An organism is any individual living entity. A tree is an organism that provides shade and oxygen. 4 Species A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and ...
The environment is an organism’s surroundings. It may 4 water, gases, rocks, and temperature. An ecologist once asked a boy 5 he thought about protecting the environment. The boy said, “You go into the forest and look for somebody who wants to cut down a tree. You stop him and ...
This progressive ladder-like phylogenetic tree of craniates has been developed out of the organism that didn’t have a vertebral column. Hence, the organisms, objects, or units with different characteristics are placed on different groups of each branch tip solely on the basis of characteristics...
How to live without a heart or a brain - Lessons from a JellyfishThe Mysterious Origin Of The World’s Largest Living Organism The world’s largest living plant is a flowering plant species named Posidonia australis. It belongs to the seagrass family (not an algae, like sea...
The risk of contamination varies with the length of time the containers are present in the exposed environment, the population density and life stage of the potentially contaminating organism, and the ecological conditions in both close proximity (e.g., grass present in a dirt storage yard) and...
So could it be that Earth really is unique? All living things on Earth are made of the same building blocks, long carbon-based molecules.所以地球真的是独一无二的吗？地球上所有的生物都有着相同的组成成分，即长碳基分子。Scientists now think that a large proportion of these molecules came from...
2.A 【解析】 根据空后的“Earth”可知,此处指 地球这颗行星(planet)。 3.B 【解析】 句意:生态学家是研究生物与其环 境之间的关系的科学家。 feeling意为“感觉” ; relationship意为“关系” ;distance 意为“距离” ; competition意为“比赛” 。 4.C 【解】根前“The environment is an organism's...
用谷歌搜索的结果来开启这本书也许是最为后人类主义的姿态。正如我在2008年夏天所写的那样,如果你在谷歌上搜索“人文主义”(humanism),会得到384万条结果;而搜索“后人类主义”(posthumanism)只能得到将近6.02万条(人文主义显然还好好地存活着,尽管有人说它已经消亡了)。粗略一看你就会发现,尽管在数量上有着差别,...
The environment is an organism's surroundings. It may 30 water, gases, rocks and temperature.Ecologists also study the balance(平衡) of31 the environment while protecting it.An ecologist once asked a boy 32 he thought the meaning of protecting the environment was.The boy said, "You go into...