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BP1.4 Origin of Life

QuestionAnswer
Were the first cells unicellular or multicellular? unicellular
Were the first cells autotrophs or heterotrophs? heterotrophs
What did the first cells eat? chemicals
Where were the first cells formed? oceans
The first cells did not require ___. oxygen
What conditions did Miller and Urey try to recreate? early Earth
What are traces of organisms preserved in rock called? fossils
After the first cells ate all of the chemicals in the oceans, ___ evolved. autotrophs
What do autotrophs release as a waste product? oxygen
Miller and Urey put water, ___, and an electric current in the flask gases
What does the electric current in Miller's experiment represent? lightning
Miller and Urey found the building blocks of what substance in the flask after a week? proteins
What is Miller's first name? Stanley
What is Urey's first name? Harold
What year did Miller and Urey do their experiment? 1953
Created by: Mrs. Birkemose
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