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When the two populations can no longer interbreed.
The population has evolved into two separate species if the species in question no longer interbreed.
They are both considered separate species at the point they can no longer interbreed and produce fertile offspring.
On my worksheet for biology the possible answers for that exact question areinfertilityextinctionisolationselection.hope that narrows it down_____________________________The answer is: isolation.
hybrids are produced when two different species interbreed
It's when two different species or breeds of animals can mate, for example a dog and a wolf
you can not interbreed these two species.
Your answer is speciation
When the two populations can no longer interbreed.
when members of two separated groups of a population can no longer interbreed, the two groups are members of different what
If two populations of the same species no longer interbreed then their differences will start to become more pronounced and eventually they will become so different that they will be classified as two different sub-species.
It usually is some sort of physical barrier like an large space between islands.