生物自生

例句：

1. 1. Biological self-replication is essential for the survival of life on Earth.
   生物的自然复制对于地球上生命的生存至关重要。
2. 2. The plant's ability to reproduce naturally is a testament to its resilience.
   这种植物能自然繁殖的能力证明了它的韧性。
3. 3. The researcher discovered that certain species have evolved self-reproduction mechanisms to survive in harsh environments.
   研究者发现，某些物种已经进化出了自我繁殖机制，以在恶劣的环境中生存。