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Unformatted text preview: diverged from one another e. single character that is different in all fishes 4. DNA based phylogenetic studies have revolutionized our view of biology in what way? a. they laid the foundation for the 5-kindom system b. they revealed that eukaryotes are more diverse than prokaryotes c. they supported the introduction of a new taxon at the lowest level of classification d. they have demonstrated that prokaryotes are much more diverse than eukaryotes 5. fossilized stromatolites a. all date from 2.7 billion years ago b. formed around deep sea vents c. resemble bacterial communities found today in warm, salty, calm lagoons d. provide evidence that plants moved onto land 500 mya. e. Contain the first undisputed fossils of eukaryotic cells...
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- Spring '08