Annotated_MIDTERM_KEY - EAS 109 - DINOSAURS - 2007 Midterm...

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EAS 109 — D INOSAURS 2007 Midterm KEY Your Name: ………………………………………………… Part I . Please check off any and all of the correct choices. (30 pts ) 26 points! Four points off for Professor Cisne! Congrat’s to Lauren for a perfect score! Fossil evidence is broadly consistent with the notion that … For most of the Earth’s history, the atmosphere’s dioxygen [O 2 ] content appears insufficient for support of multicellular life. asteroid impacts have brought about mass extinctions more than once in the Earth’s history. vertebrates first entered marine ecosystems as filter-feeders; carnivores came later vertebrates first entered terrestrial ecosystems as the top-level carnivores; herbivores came later. dinosaurs arose as carnivores; herbivores came later. 5 convergent evolution has been a common phenomenon among both marine and terrestrial vertebrates. Which of the following have been associated with fundamental
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This note was uploaded on 06/16/2008 for the course EAS 1109 taught by Professor Cisne during the Fall '07 term at Cornell University (Engineering School).

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Annotated_MIDTERM_KEY - EAS 109 - DINOSAURS - 2007 Midterm...

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