EOL-Big history 0.0 / 5 ? BiologyEvolution of life - Big historyUniversityAll boards Created by: bethany tweedieCreated on: 12-12-18 17:47 Where were the oldest fossils found? Wavy Greenland rock 1 of 10 How old are the oldest fossils? 3.7 billion years old 2 of 10 What does Goldilocks conditions mean? The ideal conditions for life to emerge 3 of 10 What are the Goldilocks conditions for life to emerge? -A variety and abundance of chemical elements, - Energy (not too much/too little), - A water environment 4 of 10 What role did bacteria have in forming the atmosphere? - Formation of oxygen, - Increased energy potential for more complex organisms including humans 5 of 10 What can microbes be regarded as? Ecosystem engineers 6 of 10 In what ways do microbes change the nature of an ecosystem? -pH, - Redox potential, - Oxygen tension 7 of 10 What was Francesco Redi's importance and what year? 1688 - disproved spontaneous generation in sealed flasks, fly experiment 8 of 10 What was the Pasteur experiment and what year? 1860 - showed that microbial growth occurred with oxygen but not without 9 of 10 Where is one of the best search targets for extra-terrestrial life? Europa in the solar system 10 of 10
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