[MD] Oneness, Dualism & Intellect
pholden at davtv.com
pholden at davtv.com
Wed Mar 7 18:14:49 PST 2007
Quoting Horse <horse at darkstar.uk.net>:
> 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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