The "fact" about Dinosaurs and oxygen is BS. Mammals needs more oxygen than reptiles and birds. The oxygen level have increased since Jurassic times. http://news.sciencemag.org/2005/09/breathing-easier-jurassic However, during the Carboniferous period, there was much more oxygen that today which allowed for giant insects to exist.
The "fact" about Dinosaurs and oxygen is BS. Mammals needs more oxygen than reptiles and birds. The oxygen level have increased since Jurassic times. http://news.sciencemag.org/2005/09/breathing-easier-jurassic However, during the Carboniferous period, there was much more oxygen that today which allowed for giant insects to exist.
Mammals needs more oxygen than reptiles and birds. The oxygen level have increased since Jurassic times.
http://news.sciencemag.org/2005/09/breathing-easier-jurassic
However, during the Carboniferous period, there was much more oxygen that today which allowed for giant insects to exist.