A Complete Collection of 100000 Whys
Fav十万个为什么
为什么生物要进化？
1、生物进化是为了适应环境变化，通过自然选择，有利的基因特征会逐渐在种群中传播。
2、进化帮助生物提高生存能力，例如捕食效率、避敌技巧等，从而在竞争中占据优势。
3、生物进化可以增加物种的多样性，这有助于应对环境中的各种挑战，减少灭绝风险。
4、进化是生物对遗传变异的自然反应，变异为进化提供了原材料，使物种能够适应新环境。
5、进化不仅发生在个体层面，也发生在种群和生态系统层面，推动整个生物圈的发展。
总之，生物进化是适应环境、提高生存能力、增加多样性和应对变化的关键过程，是生命持续发展的基础。
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