Difference between revisions of "Macroevolution"

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'''Macroevolution''' is the theory that [[natural selection]] can, given enough time, lead to the creation of new [[clade]]s which are groups of organisms consisting of a single common ancestor and all the descendants of that ancestor.  Macroevolution may require a large number of [[mutation]]s, though it may also come about as a result of a gross genetic change. For instance, there are two [[species]] of grey tree [[frog]]s in North America; one has two sets of [[chromosome]]s, and one has four. From an [[Theory of evolution|evolutionary]] perspective, this is the result of a random failure in [[meiosis]] in a generation of tree frogs which led to a new genetic makeup for one of the species.
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'''Macroevolution''' is the theory that [[natural selection]] can, given enough time, lead to the creation of new [[clade]]s which are groups of organisms consisting of a single common ancestor and all the descendants of that ancestor.   
 
   
 
   
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The scientific data regarding mutations causing the changes necessary for macroevolution has been seen by some as damaging to the macroevolutionary position. <ref>Bergman, Jerry, [http://www.trueorigin.org/mutations01.asp Darwinism and the Deterioration of the Genome], ''Creation Research Society Quarterly'' 42(2), 2005.</ref>
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The scientific data regarding mutations causing the changes necessary for macroevolution is damaging to the macroevolutionary position. <ref>Bergman, Jerry, [http://www.trueorigin.org/mutations01.asp Darwinism and the Deterioration of the Genome], ''Creation Research Society Quarterly'' 42(2), 2005.</ref>
  
 
==See also==
 
==See also==

Revision as of 02:03, October 27, 2008

Macroevolution is the theory that natural selection can, given enough time, lead to the creation of new clades which are groups of organisms consisting of a single common ancestor and all the descendants of that ancestor.

The scientific data regarding mutations causing the changes necessary for macroevolution is damaging to the macroevolutionary position. [1]

See also

External Links

References

  1. ↑ Bergman, Jerry, Darwinism and the Deterioration of the Genome, Creation Research Society Quarterly 42(2), 2005.