وبالتالي نجت أو أنها فشلت ككل، وهذا يعني إن كان المجتمع ناجحآ جداً، كل الأفراد في ذلك المجتمع تكررت أكثر وكانت مفضلة تطوريا.
So they survived  or they failed together,  which means that if a community was very successful,  all the individuals in that community  were repeated more  and they were favored by evolution.