叶绿素虽然已经进化得极为精巧,能捕捉阳光中的能量,但有时也会应接不暇,特别是在干旱、低温或缺乏营养的情况下。
Chlorophyll, although exquisitely evolved to capture the energy of sunlight, can sometimes be overwhelmed by it, especially in situations of drought, low temperatures, or nutrient deficiency.
一种完全无毒的蛇家族,王蛇,也进化出了能中和响尾蛇毒液的血清。
One family of completely harmless snakes, the kingsnake, has also evolved serum that neutralizes rattlesnake venom.
他们寻找一种能验证“加速进化”的DNA——它们使人类更多地从灵长动物转变。
They looked for DNA which showed evidence of "accelerated evolution" - genes which have mutated more in humans than in other primates.
If evolution is survival of the fittest, nature red in tooth and claw, how could animals evolve moral feelings?
如果进化论是讲适者生存,在弱肉强食的自然界,动物怎么能进化出道德情感?
So, evolution works at a level of the genes and because of that it could give rise to animals that are themselves altruistic.
进化论起作用的是我们的基因,因此进化论能产生,有利他主义的动物。
They have not evolved to tolerate some of the man made sounds that have very unusual and unnatural physical characteristics. These sounds are for example explosives, industrial noise, musical instruments, power tools, and headphones.
还没有进化到能忍受,某些怪异,超出常规的人为声响,如爆炸,工业噪音,乐器,电动工具和耳机等等。
应用推荐