是先有蛋还是先有鸡这一直被作为人们辩论的热门话题。近日,加拿大阿尔伯塔卡尔加里大学古生物学者达拉-泽冷斯基称,通过对7700万年前的恐龙蛋化石的研究后,明确的谜题答案浮出水面:恐龙首先建造了类似鸟窝的巢穴,产下了类似 It’s been a hot topic for people to debate whether eggs first or chicken first. Recently, paleontologist Dallazewski of the University of Calgary in Alberta, Canada, said that after studying the dinosaur egg fossil 77 million years ago, the clear answer to the mystery surfaced: the dinosaurs first built a similar nest The nest, produced similar