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	<title>Charles Darwin</title>
	<link>http://darwin.edutextos.info</link>
	<description>EL ORIGEN DE LAS ESPECIES</description>
	<pubDate>Fri, 18 Apr 2008 23:18:59 +0000</pubDate>
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		<title>DISTINCIÓN ENTRE LA ESTERILIDAD</title>
		<link>http://darwin.edutextos.info/charles-darwin/distincion-entre-la-esterilidad/</link>
		<comments>http://darwin.edutextos.info/charles-darwin/distincion-entre-la-esterilidad/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 23:18:59 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Charles Darwin]]></category>

		<category><![CDATA[distintas]]></category>

		<category><![CDATA[el segundo]]></category>

		<category><![CDATA[las plantas]]></category>

		<category><![CDATA[micros]]></category>

		<category><![CDATA[naturalistas]]></category>

		<category><![CDATA[perfectos]]></category>

		<category><![CDATA[primera vista]]></category>

		<category><![CDATA[puras]]></category>

		<category><![CDATA[sistema reproductivo]]></category>

		<category><![CDATA[tros]]></category>

		<category><![CDATA[y sin embargo]]></category>

		<guid isPermaLink="false">http://darwin.edutextos.info/charles-darwin/distincion-entre-la-esterilidad/</guid>
		<description><![CDATA[DISTINCIÓN ENTRE LA ESTERILIDAD DE UN PRIMER CRUZAMIENTO Y LA
DE LOS HÍBRIDOS; GRADOS DE ESTERILIDAD; DIFORMISMO Y
TRIFORMISMO RECÍPROCOS. La opinión más vulgar entre los naturalistas es que las
especies, cuando se cruzan, han sido especialmente dotadas de esterilidad para impedir
que se confundan.
Copyright &#169; 2008 Charles Darwin. This Feed is for personal non-commercial use only. If you [...]]]></description>
			<content:encoded><![CDATA[<p>DISTINCIÓN ENTRE LA ESTERILIDAD DE UN PRIMER CRUZAMIENTO Y LA<br />
DE LOS HÍBRIDOS; GRADOS DE ESTERILIDAD; DIFORMISMO Y<br />
TRIFORMISMO RECÍPROCOS. La opinión más vulgar entre los naturalistas es que las<br />
especies, cuando se cruzan, han sido especialmente dotadas de esterilidad para impedir<br />
que se confundan.  <a href="http://darwin.edutextos.info/charles-darwin/distincion-entre-la-esterilidad/#more-33" class="more-link">(more&#8230;)</a></p>
<hr/>Copyright &copy; 2008 <strong><a href="http://darwin.edutextos.info">Charles Darwin</a></strong>. This Feed is for personal non-commercial use only. If you are not reading this material in your news aggregator, the site you are looking at is guilty of copyright infringement. Please contact legal@darwin.edutextos.info so we can take legal action immediately.<br/><span style="float: right;font-size: 7pt"><a href="http://blog.taragana.com/index.php/archive/wordpress-plugins-provided-by-taraganacom/">Plugin</a> by <a href="http://www.taragana.com/">Taragana</a></span><div id="mainphotoarea"></div><!-- Social Bookmarks BEGIN -->
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		</item>
		<item>
		<title>CAMBIOS HEREDITARIOS DE HÁBITOS O DE INSTINTOS</title>
		<link>http://darwin.edutextos.info/charles-darwin/cambios-hereditarios-de-habitos-o-de-instintos/</link>
		<comments>http://darwin.edutextos.info/charles-darwin/cambios-hereditarios-de-habitos-o-de-instintos/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 23:17:45 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Charles Darwin]]></category>

		<category><![CDATA[ellos]]></category>

		<category><![CDATA[instintos]]></category>

		<category><![CDATA[lo tanto]]></category>

		<category><![CDATA[los gatos]]></category>

		<category><![CDATA[perfectos]]></category>

		<category><![CDATA[ra]]></category>

		<guid isPermaLink="false">http://darwin.edutextos.info/charles-darwin/cambios-hereditarios-de-habitos-o-de-instintos/</guid>
		<description><![CDATA[CAMBIOS HEREDITARIOS DE HÁBITOS O DE INSTINTOS EN LOS
ANIMALES DOMÉSTICOS. Se aumentará la creencia en la posibilidad y aun en la pro-
babilidad de la herencia de las variaciones distintas en estado natural, al considerar bre-
vemente algunos pocos casos que ocurren en la domesticidad, pues así podremos ver la
parte que el hábito y la selección de [...]]]></description>
			<content:encoded><![CDATA[<p>CAMBIOS HEREDITARIOS DE HÁBITOS O DE INSTINTOS EN LOS<br />
ANIMALES DOMÉSTICOS. Se aumentará la creencia en la posibilidad y aun en la pro-<br />
babilidad de la herencia de las variaciones distintas en estado natural, al considerar bre-<br />
vemente algunos pocos casos que ocurren en la domesticidad, pues así podremos ver la<br />
parte que el hábito y la selección de las variaciones llamadas espontáneas ha tenido en<br />
modificar las cualidades mentales de nuestros animales domésticos <a href="http://darwin.edutextos.info/charles-darwin/cambios-hereditarios-de-habitos-o-de-instintos/#more-32" class="more-link">(more&#8230;)</a></p>
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		</item>
		<item>
		<title>Instinto</title>
		<link>http://darwin.edutextos.info/charles-darwin/instinto/</link>
		<comments>http://darwin.edutextos.info/charles-darwin/instinto/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 23:16:51 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Charles Darwin]]></category>

		<category><![CDATA[bas]]></category>

		<category><![CDATA[comparables]]></category>

		<category><![CDATA[constantes]]></category>

		<category><![CDATA[cuco]]></category>

		<category><![CDATA[distintas]]></category>

		<category><![CDATA[emigrar]]></category>

		<category><![CDATA[indicar]]></category>

		<category><![CDATA[instinto]]></category>

		<category><![CDATA[instintos]]></category>

		<category><![CDATA[juicio]]></category>

		<category><![CDATA[llama]]></category>

		<category><![CDATA[origen]]></category>

		<category><![CDATA[parecidos]]></category>

		<category><![CDATA[pierre huber]]></category>

		<category><![CDATA[rias]]></category>

		<category><![CDATA[sucede]]></category>

		<category><![CDATA[volver]]></category>

		<guid isPermaLink="false">http://darwin.edutextos.info/charles-darwin/instinto/</guid>
		<description><![CDATA[Instinto
LOS INSTINTOS SON COMPARABLES CON LOS HÁBITOS, PERO SE
DIFERENCIAN DE ESTOS POR EL ORIGEN. No intentaremos dar aquí la definición
del instinto, pues es fácil demostrar que se comprenden comúnmente en este término va-
rias acciones mentales distintas, y todo el mundo sabe qué significa decir que el instinto
induce, por ejemplo, al cuco a emigrar y poner [...]]]></description>
			<content:encoded><![CDATA[<p>Instinto<br />
LOS INSTINTOS SON COMPARABLES CON LOS HÁBITOS, PERO SE<br />
DIFERENCIAN DE ESTOS POR EL ORIGEN. No intentaremos dar aquí la definición<br />
del instinto, pues es fácil demostrar que se comprenden comúnmente en este término va-<br />
rias acciones mentales distintas, y todo el mundo sabe qué significa decir que el instinto<br />
induce, por ejemplo, al cuco a emigrar y poner sus huevos en los nidos de otras aves.  <a href="http://darwin.edutextos.info/charles-darwin/instinto/#more-31" class="more-link">(more&#8230;)</a></p>
<hr/>Copyright &copy; 2008 <strong><a href="http://darwin.edutextos.info">Charles Darwin</a></strong>. This Feed is for personal non-commercial use only. If you are not reading this material in your news aggregator, the site you are looking at is guilty of copyright infringement. Please contact legal@darwin.edutextos.info so we can take legal action immediately.<br/><span style="float: right;font-size: 7pt"><a href="http://blog.taragana.com/index.php/archive/wordpress-plugins-provided-by-taraganacom/">Plugin</a> by <a href="http://www.taragana.com/">Taragana</a></span><div id="mainphotoarea"></div><!-- Social Bookmarks BEGIN -->
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		<title>Objeciones a la teoría de la selección natural</title>
		<link>http://darwin.edutextos.info/charles-darwin/objeciones-a-la-teoria-de-la-seleccion-natural/</link>
		<comments>http://darwin.edutextos.info/charles-darwin/objeciones-a-la-teoria-de-la-seleccion-natural/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 23:16:09 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Charles Darwin]]></category>

		<category><![CDATA[complejidad]]></category>

		<category><![CDATA[globo]]></category>

		<category><![CDATA[huevos]]></category>

		<category><![CDATA[intrusos]]></category>

		<category><![CDATA[longevidad]]></category>

		<category><![CDATA[mutaciones]]></category>

		<category><![CDATA[naturalista]]></category>

		<category><![CDATA[planta]]></category>

		<category><![CDATA[pun]]></category>

		<category><![CDATA[ventaja]]></category>

		<category><![CDATA[y sin embargo]]></category>

		<guid isPermaLink="false">http://darwin.edutextos.info/charles-darwin/objeciones-a-la-teoria-de-la-seleccion-natural/</guid>
		<description><![CDATA[Objeciones a la teoría de la selección natural
LONGEVIDAD. Un distinguido naturalista alemán ha asegurado que la parte más dé-
bil de esta teoría es que consideramos a todos los seres orgánicos como imperfectos.
Copyright &#169; 2008 Charles Darwin. This Feed is for personal non-commercial use only. If you are not reading this material in your news aggregator, [...]]]></description>
			<content:encoded><![CDATA[<p>Objeciones a la teoría de la selección natural<br />
LONGEVIDAD. Un distinguido naturalista alemán ha asegurado que la parte más dé-<br />
bil de esta teoría es que consideramos a todos los seres orgánicos como imperfectos.  <a href="http://darwin.edutextos.info/charles-darwin/objeciones-a-la-teoria-de-la-seleccion-natural/#more-30" class="more-link">(more&#8230;)</a></p>
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		<title>HASTA QUÉ PUNTO ES VERDADERA LA DOCTRINA UTILITARIA</title>
		<link>http://darwin.edutextos.info/charles-darwin/hasta-que-punto-es-verdadera-la-doctrina-utilitaria/</link>
		<comments>http://darwin.edutextos.info/charles-darwin/hasta-que-punto-es-verdadera-la-doctrina-utilitaria/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 23:15:13 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Charles Darwin]]></category>

		<category><![CDATA[especie]]></category>

		<category><![CDATA[hermo]]></category>

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		<category><![CDATA[los insectos]]></category>

		<category><![CDATA[naturalistas]]></category>

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		<category><![CDATA[sas]]></category>

		<category><![CDATA[ya]]></category>

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		<description><![CDATA[HASTA QUÉ PUNTO ES VERDADERA LA DOCTRINA UTILITARIA; CÓMO SE
ADQUIERE LA BELLEZA. Las anteriores observaciones nos llevan a decir algunas pa-
labras sobre la protesta hecha recientemente por algunos naturalistas contra la doctrina
utilitaria de que cada detalle de estructura ha sido producido para el bien de su poseedor.
Copyright &#169; 2008 Charles Darwin. This Feed is for [...]]]></description>
			<content:encoded><![CDATA[<p>HASTA QUÉ PUNTO ES VERDADERA LA DOCTRINA UTILITARIA; CÓMO SE<br />
ADQUIERE LA BELLEZA. Las anteriores observaciones nos llevan a decir algunas pa-<br />
labras sobre la protesta hecha recientemente por algunos naturalistas contra la doctrina<br />
utilitaria de que cada detalle de estructura ha sido producido para el bien de su poseedor. <a href="http://darwin.edutextos.info/charles-darwin/hasta-que-punto-es-verdadera-la-doctrina-utilitaria/#more-29" class="more-link">(more&#8230;)</a></p>
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		<item>
		<title>Dificultades de la teoría</title>
		<link>http://darwin.edutextos.info/charles-darwin/dificultades-de-la-teoria/</link>
		<comments>http://darwin.edutextos.info/charles-darwin/dificultades-de-la-teoria/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 23:14:10 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Charles Darwin]]></category>

		<category><![CDATA[descubrimientos]]></category>

		<category><![CDATA[el ojo]]></category>

		<category><![CDATA[notables]]></category>

		<category><![CDATA[variables]]></category>

		<guid isPermaLink="false">http://darwin.edutextos.info/charles-darwin/dificultades-de-la-teoria/</guid>
		<description><![CDATA[Dificultades de la teoría
DIFICULTADES DE LA TEORÍA DE DESCENDENCIA CON
MODIFICACIONES. Todas las dificultades y objeciones a la teoría pueden clasificarse
en los siguientes puntos:
Copyright &#169; 2008 Charles Darwin. This Feed is for personal non-commercial use only. If you are not reading this material in your news aggregator, the site you are looking at is guilty of [...]]]></description>
			<content:encoded><![CDATA[<p>Dificultades de la teoría<br />
DIFICULTADES DE LA TEORÍA DE DESCENDENCIA CON<br />
MODIFICACIONES. Todas las dificultades y objeciones a la teoría pueden clasificarse<br />
en los siguientes puntos: <a href="http://darwin.edutextos.info/charles-darwin/dificultades-de-la-teoria/#more-28" class="more-link">(more&#8230;)</a></p>
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		<item>
		<title>Leyes de la variación</title>
		<link>http://darwin.edutextos.info/charles-darwin/leyes-de-la-variacion/</link>
		<comments>http://darwin.edutextos.info/charles-darwin/leyes-de-la-variacion/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 23:13:32 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Charles Darwin]]></category>

		<category><![CDATA[claramente]]></category>

		<category><![CDATA[herencia]]></category>

		<category><![CDATA[padres]]></category>

		<category><![CDATA[variabilidad]]></category>

		<guid isPermaLink="false">http://darwin.edutextos.info/charles-darwin/leyes-de-la-variacion/</guid>
		<description><![CDATA[Leyes de la variación
EFECTOS DEL CAMBIO DE CONDICIONES. Algunos autores creen que tanto
compete al sistema reproductivo producir diferencias individuales o ligeras desviaciones
de estructura como hacer a la criatura semejante a sus padres.
Copyright &#169; 2008 Charles Darwin. This Feed is for personal non-commercial use only. If you are not reading this material in your news aggregator, [...]]]></description>
			<content:encoded><![CDATA[<p>Leyes de la variación<br />
EFECTOS DEL CAMBIO DE CONDICIONES. Algunos autores creen que tanto<br />
compete al sistema reproductivo producir diferencias individuales o ligeras desviaciones<br />
de estructura como hacer a la criatura semejante a sus padres.  <a href="http://darwin.edutextos.info/charles-darwin/leyes-de-la-variacion/#more-27" class="more-link">(more&#8230;)</a></p>
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		<title>SOBRE EL GRADO EN QUE TIENDE A AVANZAR LA ORGANIZACIÓN</title>
		<link>http://darwin.edutextos.info/charles-darwin/sobre-el-grado-en-que-tiende-a-avanzar-la-organizacion/</link>
		<comments>http://darwin.edutextos.info/charles-darwin/sobre-el-grado-en-que-tiende-a-avanzar-la-organizacion/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 23:12:45 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Charles Darwin]]></category>

		<category><![CDATA[baer]]></category>

		<category><![CDATA[cerebro]]></category>

		<category><![CDATA[conduce]]></category>

		<category><![CDATA[edwars]]></category>

		<category><![CDATA[el adelanto]]></category>

		<category><![CDATA[intelectuales]]></category>

		<category><![CDATA[los seres vivos]]></category>

		<category><![CDATA[milne]]></category>

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		<description><![CDATA[SOBRE EL GRADO EN QUE TIENDE A AVANZAR LA ORGANIZACIÓN. La se-
lección natural obra exclusivamente conservando las variaciones que son ventajosas en
las condiciones orgánicas e inorgánicas a las que toda criatura está expuesta en todos los
períodos de la vida.
Copyright &#169; 2008 Charles Darwin. This Feed is for personal non-commercial use only. If you are not [...]]]></description>
			<content:encoded><![CDATA[<p>SOBRE EL GRADO EN QUE TIENDE A AVANZAR LA ORGANIZACIÓN. La se-<br />
lección natural obra exclusivamente conservando las variaciones que son ventajosas en<br />
las condiciones orgánicas e inorgánicas a las que toda criatura está expuesta en todos los<br />
períodos de la vida.  <a href="http://darwin.edutextos.info/charles-darwin/sobre-el-grado-en-que-tiende-a-avanzar-la-organizacion/#more-26" class="more-link">(more&#8230;)</a></p>
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		<item>
		<title>EFECTOS PROBABLES DE LA ACCIÓN</title>
		<link>http://darwin.edutextos.info/charles-darwin/efectos-probables-de-la-accion/</link>
		<comments>http://darwin.edutextos.info/charles-darwin/efectos-probables-de-la-accion/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 23:11:58 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Charles Darwin]]></category>

		<category><![CDATA[apare]]></category>

		<category><![CDATA[cen]]></category>

		<category><![CDATA[exten]]></category>

		<category><![CDATA[menudo]]></category>

		<category><![CDATA[nes]]></category>

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		<guid isPermaLink="false">http://darwin.edutextos.info/charles-darwin/efectos-probables-de-la-accion/</guid>
		<description><![CDATA[EFECTOS PROBABLES DE LA ACCIÓN DE LA SELECCIÓN NATURAL POR
MEDIO DE LA DIVERGENCIA DE CARÁCTER Y DE LA EXTINCIÓN SOBRE
LOS DESCENDIENTES DE ANTECESORES COMUNES. Los descendientes modifi-
cados de cualquier especie prosperarán mejor cuando más diversificados lleguen a ser en
estructura, estando así en disposición de apropiarse lugares ocupados por otros seres.
Copyright &#169; 2008 Charles Darwin. This [...]]]></description>
			<content:encoded><![CDATA[<p>EFECTOS PROBABLES DE LA ACCIÓN DE LA <a href="http://darwin.edutextos.info/charles-darwin/seleccion-natural/" rel="bookmark" title="SELECCIÓN NATURAL">SELECCIÓN NATURAL</a> POR<br />
MEDIO DE LA DIVERGENCIA DE CARÁCTER Y DE LA EXTINCIÓN SOBRE<br />
LOS DESCENDIENTES DE ANTECESORES COMUNES. Los descendientes modifi-<br />
cados de cualquier especie prosperarán mejor cuando más diversificados lleguen a ser en<br />
estructura, estando así en disposición de apropiarse lugares ocupados por otros seres. <a href="http://darwin.edutextos.info/charles-darwin/efectos-probables-de-la-accion/#more-25" class="more-link">(more&#8230;)</a></p>
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		</item>
		<item>
		<title>EXTINCIÓN CAUSADA POR LA SELECCIÓN NATURAL</title>
		<link>http://darwin.edutextos.info/charles-darwin/extincion-causada-por-la-seleccion-natural/</link>
		<comments>http://darwin.edutextos.info/charles-darwin/extincion-causada-por-la-seleccion-natural/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 22:55:47 +0000</pubDate>
		<dc:creator>admin</dc:creator>
		
		<category><![CDATA[Charles Darwin]]></category>

		<category><![CDATA[caballos]]></category>

		<category><![CDATA[inter med]]></category>

		<category><![CDATA[las especies]]></category>

		<category><![CDATA[localidad]]></category>

		<category><![CDATA[ya]]></category>

		<guid isPermaLink="false">http://darwin.edutextos.info/charles-darwin/extincion-causada-por-la-seleccion-natural/</guid>
		<description><![CDATA[EXTINCIÓN CAUSADA POR LA SELECCIÓN NATURAL. La selección natural
obra solamente por medio de la conservación de las variaciones que son en algún concep-
to ventajosas.
Copyright &#169; 2008 Charles Darwin. This Feed is for personal non-commercial use only. If you are not reading this material in your news aggregator, the site you are looking at is guilty [...]]]></description>
			<content:encoded><![CDATA[<p>EXTINCIÓN CAUSADA POR LA <a href="http://darwin.edutextos.info/charles-darwin/seleccion-natural/" rel="bookmark" title="SELECCIÓN NATURAL">SELECCIÓN NATURAL</a>. La selección natural<br />
obra solamente por medio de la conservación de las variaciones que son en algún concep-<br />
to ventajosas.  <a href="http://darwin.edutextos.info/charles-darwin/extincion-causada-por-la-seleccion-natural/#more-24" class="more-link">(more&#8230;)</a></p>
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