Explanation:
they were betrayed by their closest friend
A Pyrrhic victory is a victory or goal achieved at too great a cost.
Pyrrhic victory is named after King Pyrrhus of Epirus, whose army suffered irreplaceable casualties in defeating the Romans at the Battle of Heraclea in 280 BC and the Battle of Asculum in 279 BC, during the Pyrrhic War.
Answer:
stabilizing selection
Explanation:
Both directional and disruptive selection are extreme phenotype selections, i.e. against the average phenotype. Stabilizing selection, like the adjective already explains, is a type of natural selection that stabilizes on a non-extreme trait or mean average. A good example is human birth weight. The extreme cases (very light or very heavy) have less chance to survive and to reproduce.
