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> Why wouldn't archaeopteryx (and its close ancestors) have a lifestyle similar
> to that of other small theropods? And if it did share that lifestyle, what
> advantage is there in flight?
Maybe they were taking over some of the roles of the pterosaurs,
as airborne predators. That would explain the teeth.
> What was the motivating force behind the evolution of avian characteristics?
> Any thoughts on my ramblings will be greatly appreciated.
> Bill Barbour
> Assistant Education Curator
> Natural Science Center of Greensboro
| Sean R. "Snake" Kerns e-mail: firstname.lastname@example.org |
| DoD# 1052 '48 CJ-2A '79 F-250 4x4 429 '93 750 Virago |
| Structural Dynamics Research Corporation '79 AQHA |
| These opinions aren't SDRC's... They may not even be MINE... |