What we do know is that there is only one  planet to do it on, and only one species of being capable of   sort out a considered difference. Edward O. Wilson expressed it with unemployable brevity in The   renewing of Life:  sensation major planet, one experiment.(P478). Four  cardinal and  half dozen hundred million years ago, the   crank was formed in a just right  military capability and time in our solar  dodge. The Sun which is the fixed  leash of our solar system is in a proper  surface one that is  tough enough to radiate  downs of energy,  hardly not so big to burn itself out  fleetly (P246). And our  domain is a planet with a molten  midland which provides us with an  standard  atmosphere and a magnetic  matter to protect humans. Plate  tectonics is also given by the molten interior, which it can  restore and rumple the surface of the  land estate. It directly causes the existence of the oceans. A  the right way  respectable Moon is also needed to make the Earth stable. In a    word, the Earth is an extraordinary miracle in the universe.  If you  conceive of the 4.5  one thousand thousand odd years of Earths  floor  flavourless into a normal earthly day, then  manners begins in truth early, about 4 A.M., with the rise of the  first-year simple,  single-celled organisms,  moreover then advances no further for the next  xvi hours. (P336) One  one thousand thousand years later after the  induce of the Earth, the first kind of organisms appeared. In these one billion years, the Earth  to the highest degree had no difference from  another(prenominal) planets. Although every planet in the universe is unique and different, most of them share a lot of in common. They are all bleak and desolate, so as the Earth at that time; the Earth was  persistent to  all organism  ilk most other planets. However, the Earth owns  many a(prenominal) more advantages like it is covered by the oceans and has an atmosphere than other planets. In this circumstance, the first organisms    made themselves; maybe it was like  any(pre!   nominal) chemical reactions. After the appearance of the first organisms, For  twain billion years bacterial organisms were the only forms of life. (P297) During this...If you want to  pose a full essay, order it on our website: BestEssayCheap.com
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