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Topic Started: Oct 12 2010, 08:08 PM (1,440 Views)
Owl Streak
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Newborn
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Lets say dinosaurs some how became dominant creatures AGAIN after they lived a long time ago what would happen?
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Kamidio
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Crocodiles have been around longer than you sonny.
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Practically Uninformed
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Pterosaurs are the ones that are dead. Crocs are the ones limited to 10 species.
I wasnt' aware I had to spell that out.
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Carlos
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I didn't said they were vastly superior, mind, but that at least were more efficient than birds could ever hope to be. As for how they died, unfortunate coincidences. See, most avian and mammal clades from the Mesozoic also died, and many people agree Neornithes escaped very narrowly. Mammals arguably managed to beat both birds, pterosaurs and crocodilians, but even they were severely affected by the KT event.
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http://s1.zetaboards.com/Conceptual_Evolution/topic/5724950/

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Flisch
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Oct 17 2010, 04:50 PM
So, JohnFaa, if I may ask, if pterosaurs and crocodiles were oh-so-better at everything than stinky birds and rats, why is one group dead and the other limited to about 10 species?
Because Johnfaa is a silly Pterosaur fanboy. :P

Plus, birds are quite limited to a certain body plan. The only exceptions are there where they don't have to compete with mammals: Flightless birds on islands or Antarctica.

And crocodiles survived because they were freshwater species. Freshwater habitats weren't hit as hard during the cretaceous extinction event for whatever reason. This explains why crocodiles, turtles and frogs survived it relatively unharmed.
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