A Complete Collection of 100000 Whys
Fav十万个为什么
为什么物种会灭绝？
1、环境变化：气候变化、地质活动、自然灾害等环境变化会导致物种栖息地破坏，使物种无法生存。
2、人类活动：过度开发、污染、栖息地破坏、外来物种入侵等人类活动加速了物种灭绝的速度。
3、疾病传播：某些疾病或寄生虫的传播可能导致物种数量急剧减少，甚至灭绝。
4、食物链破坏：食物链中的某个环节出现问题，如猎物减少或捕食者过度捕食，会导致物种灭绝。
5、遗传多样性丧失：遗传多样性低的物种在面对环境变化时更脆弱，容易因适应能力不足而灭绝。
总之，物种灭绝是多种因素共同作用的结果，包括自然环境和人类活动的影响，保护生物多样性和栖息地是减缓灭绝的关键。
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