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explane evolution?
 Evolutionary theory states that the original cell, which is the source for all life, spontaneously emerged from Earth's inert chemicals. However, even the simplest cell is quite complex. To be considered alive, an organism has a 
• Have a cell wall, Maintain its cell wall and grow,  process food from outside itself and Reproduce
Likewise, evolutionary theory says that a new species takes between 100,000 years and millions of years to evolve.This evolutionary process was only a respecialization, or the adaptation of an organ from one function to a different function,This evolutionary process was only a respecialization, or the adaptation of an organ from one function to a different function,Biological evolution is a powerful and important process. It is a process which, over billions of years, gradually selects the organisms that are better adapted to their environments, and in this way takes advantage of random mutations to continuously change life and make all living organisms in existence be the way they are.


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