Quoting Horse <[EMAIL PROTECTED]>:

> Hi Platt
> 
> More from Wikipedia:
> 
> "Evolution is change in populations of organisms over generations. 
> Offspring differ from their parents in various ways. When these 
> differences are helpful, the offspring have a greater chance of 
> surviving and reproducing, making the differences more common in the 
> next generation. In this way, differences can accumulate over time, 
> leading to major changes in a population.
> Evolution occurs through changes in genes, the "recipe" for constructing 
> the organism. When an organism reproduces, small random changes in the 
> genes make the offspring different from the parent. Sometimes these 
> changes help the offspring survive to reproduce. When this happens, the 
> genes for the beneficial traits are passed on to the organism's own 
> offspring, becoming more common in the next generation. Genes that do 
> not help organisms reproduce may become rarer or be completely 
> eliminated from the population. This is called natural selection, a 
> major part of evolution. Through natural selection, populations of 
> organisms slowly change over time as they adapt to changes in their 
> environments."
> 
> So evolution is not just about creating new species.

Isn't a major change in a population the same as creating a new species? If not,
what constitutes creating a new species? And, are any major changes in 
populations
being observed today? Thanks.

  


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