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In the grass species Anthoxanthum odoratum, some of these plants live
near mines where the soil has become contaminated with metals.
Meanwhile, neighboring plants don't live in polluted soil. The two types of
plants are close enough that they could potentially fertilize each other.
However, the two types of plants have evolved to flower during different
seasons. This is an example of
speciation.

Respuesta :

The species of Anthoxanthum odoratum is an example of parapatric species.

  • Speciation is a process in which a new species form from the existing species due to reproductive isolation.
  • In parapatric speciation there is no barrier between the gene flow between similar species.
  • In the parapatric speciation populations are adapted to different ecological conditions although the populations of the related species differ in terms of mutation, and due to the effect of drift.  
  • But they are connected by the random flow of genes between the neighboring organisms irrespective of the changes in their genetic and physiological form.

Learn more about speciation:

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