生态灭绝

例句：

1. 1.The rapid deforestation in the Amazon rainforest is a major cause of ecological extinction.
   亚马逊雨林的迅速砍伐是导致生态灭绝的主要原因。
2. 2. The loss of biodiversity due to climate change poses a significant threat to the survival of many species, including humans.
   由于气候变化导致的生物多样性丧失对许多物种，包括人类的生存构成了重大威胁。
3. 3. The extinction of the passenger pigeon was a stark reminder of the fragility of ourplanet's ecosystems.
   旅鸽的灭绝是一个鲜明的提醒，让我们意识到地球生态系统的脆弱性。