A Complete Collection of 100000 Whys
Fav十万个为什么
为什么有些物种会濒临灭绝？
1、栖息地破坏：人类活动如森林砍伐、城市扩张等，导致物种失去生存环境。
2、气候变化：全球气候变暖改变物种的生存条件，如冰川融化影响北极熊。
3、环境污染：农药、重金属等污染物破坏生态平衡，影响物种健康。
4、过度捕捞与猎杀：人类对野生动物的过度捕捞和非法猎杀，导致种群数量锐减。
5、外来物种入侵：外来物种入侵会竞争本地物种资源，甚至导致本地物种灭绝。
总之，物种濒临灭绝是多种因素共同作用的结果，保护生物多样性需要全球合作和持续努力。
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