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When there is no physical barrier, a new species arises within the home range on an existing species.

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16y ago

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Types of Speciation?

sympatric , allopatric and parapatric speciation


Compare and contrast allopatric and sympatric speication?

Allopatric and sympatric speciation are both methods by which new species arise. However, allopatric speciation is when species interbreed. Sympatric speciation is when several new species arise from a common ancestor.


How is sympatric speciation similar allopatric speciation?

They both are mechanisms by which new species arise


Speciation without geographic isolation is called what?

Sympatric Speciation develops within the range of the parent population. This type of speciation does not include geographical isolation, and can occur rapidly if a genetic change results in a barrier between the mutants and the parent population.


What type of speciation occurs when a plant population becomes reproductively isolated while with its parent population?

Sympatric Speciation


What is the evolution of numerous species from a single ancestor called?

Sympatric Speciation


Speciation that begins as members of a population occupy different ecological zones within the same geographical area is?

Sympatric speciation refers to the formation of two or more descendant species from a single ancestral species all occupying the same geographic location. Often cited examples of sympatric speciation are found in insects that become dependent on different host plants in the same area.


What type of speciation occurs when a plant population becomes reproductive isolated while living with its parent population?

Sympatric Speciation


What type of speciation occurs when a plant population becomes reproductively isolated while living with it's parents?

Sympatric Speciation


The speciation of cichlids of the same african crater lake is an example of?

sympatric speciaton


What is thought to be the two factors demonstrating sympatric speciation in the cichlids of Lake Victoria in East Africa?

-rapid speciation -sexual selection


If a population speciates in the absence of a physical barrier it is known as?

sympatric speciation. This occurs when two subpopulations of a species evolve into distinct species without geographical isolation, often due to factors such as disruptive selection or polyploidy.