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What is cohesion species concept
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The cohesion species concept is a biological classification framework that emphasizes the idea of species as cohesive entities. It focuses on the genetic and ecological cohesion that unites individuals within a species, primarily through the presence of gene flow and reproductive compatibility. This concept was proposed by biologists who sought to provide a more nuanced understanding of species beyond traditional definitions based solely on morphological characteristics or reproductive isolation.
Key components of the cohesion species concept include:
1. **Gene Flow**: It asserts that individuals within a species are connected through gene flow, which maintains the genetic cohesiveness of the population.
2. **Reproductive Community**: The concept highlights the idea of a reproductive community, where members of the species share a common gene pool and are capable of interbreeding, thus contributing to the genetic cohesion.
3. **Ecological Factors**: It takes into account ecological factors that influence the interactions and adaptations of individuals within the species, reinforcing their cohesion.
4. **Phylogenetic Considerations**: The cohesion concept recognizes the evolutionary history and relationships among populations, emphasizing their shared ancestry.
The cohesion species concept seeks to integrate genetic, ecological, and evolutionary perspectives to provide a more comprehensive definition of what constitutes a species, potentially addressing some of the limitations of other species concepts, such as the biological species concept or the morphological species concept.
Key components of the cohesion species concept include:
1. **Gene Flow**: It asserts that individuals within a species are connected through gene flow, which maintains the genetic cohesiveness of the population.
2. **Reproductive Community**: The concept highlights the idea of a reproductive community, where members of the species share a common gene pool and are capable of interbreeding, thus contributing to the genetic cohesion.
3. **Ecological Factors**: It takes into account ecological factors that influence the interactions and adaptations of individuals within the species, reinforcing their cohesion.
4. **Phylogenetic Considerations**: The cohesion concept recognizes the evolutionary history and relationships among populations, emphasizing their shared ancestry.
The cohesion species concept seeks to integrate genetic, ecological, and evolutionary perspectives to provide a more comprehensive definition of what constitutes a species, potentially addressing some of the limitations of other species concepts, such as the biological species concept or the morphological species concept.
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