Term
| which of the following appears most favoured by natural selection |
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Definition
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Term
| how long between the evolution of single VS multicellular organisms |
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Definition
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Term
| the drake equation is attempting to find |
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Definition
| the number of technological civilizations in the galaxy at a given moment |
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Term
| what important molecules of life did miller and urey brew up |
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Definition
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Term
| how long ago did multicelular life forms appear in the fossil record |
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Definition
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Term
| according to our definition we have being a technological civilization for about |
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Definition
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Term
| the simplest life forms appeared on earth when it was how old |
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Definition
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Term
| large molecules found in meteorites and interstellar clouds is evidence that |
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Definition
| chemical evolution has taken place elsewhere in the universe |
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Term
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Definition
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Term
| why do we feel type O and B tars are poor candidates for extra-terrestrial life |
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Definition
| their lifetime is too short |
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Term
| which jovial moon has gotten the most attention from exobiologits |
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Definition
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Term
| most SETI searches are done at |
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Definition
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Term
| which of these radio waves would fall in the water hole |
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Definition
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Term
| assuming for life the conditions ripe for life and intelligence abound in the galaxy , what factors limit the number of galactic civilizations |
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Definition
| the average survival time of the civilization |
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Term
| in drakes equation, which of the following is the closest estimate for the number of stars that are formed in the milky way |
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