Dinosaurs once lived happily on the earth.But 65 million years ago,they suddenly died out.What happened to them?Some American scientists say it is because there were not e___male dinosaur

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/03 05:31:47

Dinosaurs once lived happily on the earth.But 65 million years ago,they suddenly died out.What happened to them?Some American scientists say it is because there were not e___male dinosaur
Dinosaurs once lived happily on the earth.But 65 million years ago,they suddenly died out.
What happened to them?Some American scientists say it is because there were not e___male dinosaur

Dinosaurs once lived happily on the earth.But 65 million years ago,they suddenly died out.What happened to them?Some American scientists say it is because there were not e___male dinosaur
enough
囧,一些美国科学家说恐龙灭绝是因为没有足够多的雄性恐龙?