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Unformatted text preview: True 8. It is proposed that the primitive atmosphere contained all of the following except ___. Oxygen 9. The first organisms were primitive ___. anaerobic bacteria 10. Reptiles are more advanced than amphibians because of ___. all of the above 11. RNA molecules can be both self-replicating and catalytic. This is evidence that ___. RNA was the first hereditary molecule and enzyme 12. Mitochondria and chloroplasts have their own DNA. True 13. Animals with exoskeletons are preadapted to life on land. True 14. Amphibians can live completely independent of the water. False...
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- Spring '08
- RNA molecules, Biogeochemical cycle, Physically separated populations, different local habitats