paleogenetic

例句：

1. 1. Paleogenetic studies have shed light on the origins of life on Earth.
   古生物学研究揭示了地球上生命起源的线索。
2. 2.The paleogenetic record from this site provides insights into the evolution of early mammals.
   这个遗址的古地质记录为早期哺乳动物的进化提供了见解。
3. 3. Paleogenetic evidence suggests that the first dinosaurs appeared around 200 million years ago.
   古地质证据表明，第一种恐龙大约在2亿年前出现。