Dictionary » B » Biological Speciation

Biological Speciation

The creation of a new species within a species where both groups can no longer reproduce with the other group. This is usually due to each group being isolated over time.


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Re: Speciation challenges the meaning of "beneficial mutation"

There isn't yet an agreed upon definition of species. That is just the definition of species according to the biological species concept. I agree. However, the stress in the definition should be on 'fertile' offspring instead of 'viable' offspring that you discuss in your original ...

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by Cat
Tue Oct 15, 2013 12:00 am
 
Forum: Evolution
Topic: Speciation challenges the meaning of "beneficial mutation"
Replies: 3
Views: 8635

Re: Speciation challenges the meaning of "beneficial mutation"

... cannot possibly test all species)... That might be what Wikipedia says, but it's not what my 2011 Campbell biology textbook says. According to the biological species concept , a species is defined by the ability to produce "viable, fertile offspring". (you cannot possibly test all species)... ...

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by wildfunguy
Wed Oct 09, 2013 2:46 pm
 
Forum: Evolution
Topic: Speciation challenges the meaning of "beneficial mutation"
Replies: 3
Views: 8635

Speciation challenges the meaning of "beneficial mutation"

... variation and hyrbid viability, and how this gives a new perspective on speciation. I am a GED-holding college student. The biological species concept defines species as unable to produce viable hybrids. Hybrid viability ...

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by wildfunguy
Sat Sep 28, 2013 11:11 pm
 
Forum: Evolution
Topic: Speciation challenges the meaning of "beneficial mutation"
Replies: 3
Views: 8635

Re: Theories - Origin of Life

... Population for varying genome composition... Frankly, I'm lost here... Speciation is related to hybridization. According to the biological species concept , separate species cannot produce viable hybrids. Why does this ...

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by wildfunguy
Sat Sep 28, 2013 5:21 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 893296

Theories - Origin of Life

... A most important principle of the new biological philosophy , undiscovered for almost a century after the publication ... other path – change happens gradually, every generation, including when speciation is not occurring. Natural Selection has to work on what is already ...

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by AstraSequi
Tue Mar 27, 2012 2:51 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 893296
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