Bio 240 Speciation

Speciation

Stephanie Nicole Thompson

BIO 240

February 23, 2014

Dr. Xavier Villarreal, PhD.

Speciation

Points at which reproductive isolation variations between two groups, both close in relation, of organisms become visualized as functionally absolute is what speciation can be considered as. Processes of what evolution is as well as sections or parts of general processes of evolution are constantly updated and visualized as specifics in general species traits and overall evolution may come from. Beyond microevolution and macroevolution, considering speciation within evolution is looking past the specific allele frequencies that change within the process of evolution within itself. What is the best way to describe or define a species? That is a question that many researchers, scientists, and biologists considering this same question constantly look into.

How can we define the differences within speciation? Some might say it is easy and some might have alternate opinions of this classification. Given examples and processes of summarization, the placement and understanding could be looked into for this specific distinction. Allopatric speciation can occur within a species even if the barrier is a little pourous, even if a few individuals can cross the barrier to mate with members of the other group (Understanding Evolution, 2013). For even the slightest consideration of speciation to have the consideration of being, “allopatric”, specific gene flow within and between the “soon to be species” must have a visualized reduction, but not to zero, within the specific species (Understanding Evolution, 2013). This is basically a slimmed down categorization of speciation by geographic location. Allopatric speciation is specific speciation that occurred or occurs within different regions. Separation is key to look into when considering this form of speciation. A squirrel population within a mountain ecosystem, for example, can be seen through this as over the years,...