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04-05-2008, 04:25 PM
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| Biology Help!?
1. how might the believers in spontaneous generation have disputed redi's conclusion if redi had not used a control group? 2. does radioactive dating with isotopes of uranium and thorium provide an estimate of the beginning, middle, or end periods of earth's formation? explain! 3. how would endosymbiosis have been mutually beneficial for pre-eukaryotic cells and for the small prokaryotes that invaded them? thx!      |
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