并列题名：Survival of the kindest 并列题名：Survival of the Fittest 并列题名：Survival of the sickest 并列题名：Survival of the friendliest Survival of the kindest 并列题名：Survival of the city survival of the fittest survival of the sickest 并列题名：Survial of the animal 统一题名：Survival of the Prettiest