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Isolating Mechanism

Any factor that actively prevents breeding between organisms.


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Re: Does human ancestry have two parents?

... and a daughter species. It does not happen suddenly, even when an isolating mechanism evolves (like changes in mating behavior). Think of an anology: How many first Frechmen ...

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by Crucible
Mon Oct 03, 2011 3:01 pm
 
Forum: Evolution
Topic: Does human ancestry have two parents?
Replies: 10
Views: 6472

Re: Does human ancestry have two parents?

... and a daughter species. It does not happen suddenly, even when an isolating mechanism evolves (like changes in mating behavior). Think of an anology: How many first Frechmen ...

See entire post
by robsabba
Thu Apr 21, 2011 10:08 pm
 
Forum: Evolution
Topic: Does human ancestry have two parents?
Replies: 10
Views: 6472

Re: Natural selection promotes....

How does natural selection promote pre-mating reproductive isolating mechanisms? I'm doing something on two species of frog who have different mating calls as a pre-mating ...

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by Dougalbod
Fri Oct 09, 2009 12:28 pm
 
Forum: Evolution
Topic: Natural selection promotes....
Replies: 3
Views: 4960

Natural selection promotes....

... question. I am not sure if Natural Selection actually promotes such mechanisms or not. There is published research on pre-mating isloating mechanisms ... Selection changed the beak shape, and only as a consequence did an isolating mechanism develop. I wonder if you are dealing with a similar situation ...

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by robsabba
Tue Sep 08, 2009 2:25 pm
 
Forum: Evolution
Topic: Natural selection promotes....
Replies: 3
Views: 4960

Natural selection promotes....

How does natural selection promote pre-mating reproductive isolating mechanisms? I'm doing something on two species of frog who have different mating calls as a pre-mating ...

See entire post
by buffy121
Sat Sep 05, 2009 4:43 am
 
Forum: Evolution
Topic: Natural selection promotes....
Replies: 3
Views: 4960
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