Difference between revisions of "Common descent"
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(all organisms on earth originated from a single common ancestor) |
(textbooks use distorted pictures of vertebrate embryos to convince students) |
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Darwin wrote: | Darwin wrote: | ||
:"When I view all beings not as special creations, but as the lineal descendants of some few beings which lived long before the first bed of the Silurian system was deposited, they seem to me to become ennobled." | :"When I view all beings not as special creations, but as the lineal descendants of some few beings which lived long before the first bed of the Silurian system was deposited, they seem to me to become ennobled." | ||
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| + | Many current biology textbooks use distorted pictures of vertebrate embryos to convince students that vertebrates share a common ancestor. [http://www.nmsr.org/jonwells.htm (Wells)] | ||
Revision as of 01:44, March 24, 2007
Common descent is a scientific theory in Biology which states that all organisms on earth originated from a single common ancestor. The theory is usually used in support of the Theory of Evolution.
Darwin wrote:
- "When I view all beings not as special creations, but as the lineal descendants of some few beings which lived long before the first bed of the Silurian system was deposited, they seem to me to become ennobled."
Many current biology textbooks use distorted pictures of vertebrate embryos to convince students that vertebrates share a common ancestor. (Wells)