What Is a Reproductive Population,and What Is Its Importance in the Study

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The Answer is The reproductive population is the minimal group of individuals that define a species,but a species may actually include multiple such groups at any moment in time.The terms breeding population,reproductive population,and deme all refer to groups of individuals of the same species that have the potential to interbreed and reproduce.The student may use the term deme,which refers to a local population that interbreeds.
Reproductive isolation is a key mechanism leading to the evolution of new species.Groups of individuals that cannot breed are said to be reproductively isolated,because something interferes with their ability to have offspring,such as the genes in the two groups being too different.This isolation can arise as a result of geographic isolation in which two or more groups are separated by a geographical feature or by distance,evolve independently,and can eventually become too different to allow interbreeding.This can lead to the rise of new species.
It is not possible to definitively define reproductive or breeding populations just from fossils.When fossils show clear difference in morphology they may represent individuals of different species. Fossils found far apart from each other are more likely to be from different species,or at least,different reproductive populations.When fossils are found geographically close to each other,and closely resemble each other,we often assume they are of the same species.

What Is a Reproductive Population,and What Is Its Importance in the Study

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What Is a Reproductive Population,and What Is Its Importance in the Study

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