I say 5/10, or around there... Bland, big, and doesn't really have much of worth. Good signatures are one good sized banner and maybe some text... Yours tries to have everything, and sorta fails.
If the cold-blooded dinosaurs died, why didn't all the warm-blooded creatures die too? If it's too cold for cold-bloods, it's WAY too cold for warm-bloods!
Never agrue with a Creationist who STUDIES his faith.