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<blockquote data-quote="inyati13" data-source="post: 1118066" data-attributes="member: 17767"><p>Speciation is a pillar science in Biology. It is the study of how species come into existence. It has a foundation in population genetics. Populations of living things become isolated from the total genetic pool and can no longer exchange genes with the total population of a species. As a result, the changes that accumulate lead to a new species that can no longer breed and create fertile offspring with its ancestor population. [the kaibab squirrel is an example of where the original squirrel population was split and the population that was isolated on the Kaibab plateau by the Grand Canyon became a new species].</p><p></p><p>The terms "race" and "breed" do not have significant meaning in speciation or biology. Yes the terms are used and can be interchangeable in meaning. The meaningful term is "species". I would not waste time discussing race and breed. They have applicable applications but not in a meaningful biological sense. In breeding, it is appropriate to use the term "breeds", i.e., breeds of cattle. In anthropology, it is appropriate to use race of men, i.e., Caucasian. </p><p></p><p><em>In biology, a species (plural: species) is one of the basic units of biological classification. A species is often described as the largest group of organisms capable of interbreeding and producing fertile offspring.</em></p><p></p><p><em>Homo sapiens</em> are a species. They are capable of interbreeding and producing fertile offspring.</p><p></p><p>You do not see "race" or "breed" used in taxonomic ranks:</p><p><img src="http://i61.tinypic.com/2145p9c.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="inyati13, post: 1118066, member: 17767"] Speciation is a pillar science in Biology. It is the study of how species come into existence. It has a foundation in population genetics. Populations of living things become isolated from the total genetic pool and can no longer exchange genes with the total population of a species. As a result, the changes that accumulate lead to a new species that can no longer breed and create fertile offspring with its ancestor population. [the kaibab squirrel is an example of where the original squirrel population was split and the population that was isolated on the Kaibab plateau by the Grand Canyon became a new species]. The terms “race” and “breed” do not have significant meaning in speciation or biology. Yes the terms are used and can be interchangeable in meaning. The meaningful term is “species”. I would not waste time discussing race and breed. They have applicable applications but not in a meaningful biological sense. In breeding, it is appropriate to use the term "breeds", i.e., breeds of cattle. In anthropology, it is appropriate to use race of men, i.e., Caucasian. [i]In biology, a species (plural: species) is one of the basic units of biological classification. A species is often described as the largest group of organisms capable of interbreeding and producing fertile offspring.[/i] [i]Homo sapiens[/i] are a species. They are capable of interbreeding and producing fertile offspring. You do not see "race" or "breed" used in taxonomic ranks: [img]http://i61.tinypic.com/2145p9c.png[/img] [/QUOTE]
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