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.
2
这是本能,是人类通过生存竞争和进化过程获得的本能。
Since this ability is instinctive, it is an ability that humans acquired through competition for survival and the process of evolution.
3
Simons说这种动物生活的时候非洲还是一个岛屿,没有生存竞争。
Simons said that when this primate lived, Africa was an island, limiting the competition for survival.