The struggle for existence occurs not in fights, but in the competition for limited feeding areas and for the occupancy of areas free from meat-eating animals.
为生存而进行的斗争不是发生在战斗中,而是在争夺有限的觅食区和占用没有肉食动物的区域的竞争中。
The struggle for existence occurs not in such fights, but in the competition for limited feeding areas and for the occupancy of areas free from meat-eating animals.
生存的斗争并不发生在这种争斗中,而是为了争夺有限的摄食区域,以及为了争夺没有食肉动物的领地。
Those individuals who possess characteristics that provide them with an advantage in the struggle for existence are more likely to survive and contribute their genes to the next generation.
那些生物个体拥有一些特征,这些特征为它们的生存竞争提供了有力条件,帮助它们更容易地存活下来,并且它们会将自己的基因传给下一代。
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