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Convergent evolution

Definition

noun

A kind of evolution wherein organisms evolve structures that have similar (analogous) structures or functions in spite of their evolutionary ancestors being very dissimilar or unrelated.


Supplement

Examples are:

Compare: divergent evolution.


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Why must we avert the genome of Eden?

... to examine the claim, that the results of DNA studies confirm Darwinian evolution. I think there is no point in discussing the overwhelming evidence ... gene transfer (microbes, Elysia chlorotica) in other cases to convergent/parallel evolution and parallel mutations (whale-bat sonar) and ...

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by Hunor
Mon Sep 23, 2013 12:08 am
 
Forum: Evolution
Topic: Why must we avert the genome of Eden?
Replies: 6
Views: 7516

Evolution- Caminalcules

Find one example of convergent evolution among the caminalcules. This means finding cases where two or more species have a similar characteristic ...

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by Beamerr32
Tue Oct 09, 2012 5:30 pm
 
Forum: General Discussion
Topic: Evolution- Caminalcules
Replies: 1
Views: 1868

Evolution of the Face and Head

... blind gut (one opening is mouth and anus), like a jellyfish. After the evolution of a true gut, with mouth and anus, animals gain a front and rear ... of a head is a logical step. This is called cephalisation, and happens convergently in many different animal groups. Why is it convergent and not ...

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by stauffie
Mon May 07, 2012 12:42 am
 
Forum: Evolution
Topic: Evolution of the Face and Head
Replies: 4
Views: 3878

Evolution of the Face and Head

Hello! I am involved in academia professionally, but my knowledge of evolutionary biology is pretty rudimentary. I sometimes read about animals ... or not - ascribe emotions and meaning to. Is it simply a matter of convergent evolution, that most animals have an anterior and a posterior end, ...

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by TomHarper
Sat May 05, 2012 9:07 am
 
Forum: Evolution
Topic: Evolution of the Face and Head
Replies: 4
Views: 3878

Re: Clade v. Phylum

A clade is a branch of the evolutionary tree comprising all the organisms that have evolved from one same common ... may reflect the sharing of a common ancestror , but they can have arised by convergent evolution too. In the first case we speak of plesiomorphy (homology), in ...

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by marquitosgm
Mon Mar 26, 2012 7:22 am
 
Forum: Evolution
Topic: Clade v. Phylum
Replies: 6
Views: 8616
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