MadSci Network: Evolution

Subject: How did dinosaurs become extinct? What are main theories?

Date: Fri Jul 20 02:27:41 2001
Posted by Guillermo
Grade level: grad (science) School: Los Andes University
City: Bogota State/Province: No state entered. Country: Colombia
Area of science: Evolution
ID: 995610461.Ev

I read article today at  Title is: "Neither 
catastrophes nor gradualism caused the extinction of the dinosaurs." This 
theory tells extinction is because of inversion of population pyramid. All 
species become old because conquer disease and cannot reproduce next 
generation. The theory predicts extinction of man soon. Is this possible? Sorry 
for my english. Thank you. Guillermo Moran

Re: How did dinosaurs become extinct? What are main theories?

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