摘要
本文旨在通过对恐龙的内在的原始落后性的阐述,指出了恐龙绝灭的必然性原因,即:恐龙的绝灭是由于自然选择的作用,自然选择决定了它最终走向绝灭的深渊.同时,提醒人们要吸取恐龙绝灭的教训.
The purpose of the article is to expound the internal primitive backward of Dinosaurs and point out the inevitable cause of extinction of them, i. e. the extinction of Dinosaurs resulted from the natural selection and it was the natural selection that led to the extinction of Dinosaurs in the end. At the same time, it also warns us to learn lesson from the extinction of Dinosaurs.
出处
《山西师大学报(自然科学版)》
1996年第3期39-44,共6页
Journal of Shanxi Teachers University(Natural Science Edition)
关键词
自然选择
恐龙
绝灭原因
中生代
Dinosaurs Mesozoic Natural selection Extinction