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Speciation

Definition

noun, plural: speciations

The process in which new genetically distinct species evolve usually as a result of genetic isolation from the main population.


Supplement

Due to Genetic Isolation, the differences in gene pools among species become so great that they cannot reproduce through interbreeding. As a result, new species are formed with a genome that is genetically distinct from the main population.

The ways in which new species are formed are as follows:


Word origin: from Latin speciēs, a seeing, kind, form + L -ātiōn- (s. of -ātiō), action or process.
Related forms: speciate (verb), speciational (adjective).


See also: Genetic isolation.


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Results from our forum


Please check my answers.

... monkeys evolved from a small mammalian ancestor, which is now extinct. I think the answer is C. 2. Under which of the following conditions will speciation not occur? A. Logging operations in a forest cut a single population of beetles in two so that they can no longer mix. B. Some snails in ...

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by moondisyko
Fri Apr 04, 2014 9:00 pm
 
Forum: Evolution
Topic: Please check my answers.
Replies: 1
Views: 1632

Microevolution verus Macroevolution

... would falsify evolutionary theory wholesale, namely a cat giving birth to a dog. This, of course, doesn't happen. What does happen, though, is speciation, and in fact there is a beautiful example of extinction and speciation in a single event, namely an extinction event in a ring species. If ...

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by hackenslash
Thu Mar 06, 2014 8:57 am
 
Forum: Evolution
Topic: Microevolution verus Macroevolution
Replies: 16
Views: 22069

Speciation and Evolution

Suppose some natural disaster occurs and a species of finch is forced to relocate from its original island where it dined on cactus flowers to an adjacent island with many fewer cacti but an overabundance of orchids. What would be the immediate consequences to the species in the first month of the c...

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by 1357
Mon Nov 25, 2013 4:01 am
 
Forum: Evolution
Topic: Speciation and Evolution
Replies: 6
Views: 5245

Re: Is complexity inevitable?

... if you have genes that manifest differently in different environments. Thus such responsiveness to the environment could be an alternative to speciation. Furthermore, if there are some situations where reproductive barriers cannot be established, those situations may even drive the evolution ...

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by wildfunguy
Fri Oct 18, 2013 1:55 am
 
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 11289

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 post...

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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: 8893
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