A Complete Collection of 100000 Whys
Fav十万个为什么
为什么物种在灭绝？
1、栖息地破坏：人类活动如森林砍伐、城市扩张等破坏了物种的生存环境，导致它们失去食物和住所。
2、气候变化：全球气候变暖导致气温、降水模式改变，影响物种的生存条件，如冰川融化使极地动物失去栖息地。
3、环境污染：工业废水、农药、塑料等污染物污染环境，危害物种健康，甚至导致死亡。
4、过度捕捞与猎杀：人类对某些物种的过度捕捞或猎杀，如鲨鱼、大象等，使其数量急剧减少，濒临灭绝。
5、外来物种入侵：外来物种入侵会与本地物种竞争资源，传播疾病，甚至导致本地物种灭绝。
总之，物种灭绝是多种因素共同作用的结果，包括人类活动、环境变化、污染、过度捕捞和外来物种入侵等，保护生物多样性需要全球共同努力。
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