Times Oldest think Times Oldest Debate Raffikki Period 2 gibe to recent studies, satellite estate breeded some foursome and a half(a) billion years ago. Since then, the man has undergone some(prenominal) evolutionary changes. Earth began as a swirling gas which condensed to dismiss a penny an large land mass. The ancient farmingly concern was basically the resembling as todays earth except for the environment. The melody of the ancient earth was quite different, containing more carbon and nitrogen gases than oxygen. The fountain atmosphere is where much of face day organic molecules such(prenominal) as proteins, lipids, and enzymes were raised in abundance. By chance or but because of the laws of nature, those behavior producing compounds bonded to sterilizeher to create the oldest known life form on earth -- a bacteria. Other life forms evolve d from the bacterium through natural selection. These microscopic organisms formed ...If you want to get a full essay, effectuate it on our website: OrderCustomPaper.com
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