Question

a population of orioles from a west coast species and an east coast population of orioles migrate to the midwest.they create a new home range and a hybrid cross of both species eventually develops. this is an example of which form of speciation? spontaneous speciation parasympatric speciation allopatric speciation

Explanation:

• Allopatric Speciation: Occurs when a population is separated by a geographical barrier. In this case, the West - coast and East - coast orioles were originally separated (by geography, likely), and then came together in the Midwest. This is a form of allopatric speciation as the initial separation was due to a geographical range (coast - to - coast separation).
• Parasympatric Speciation: This is not a standard term in speciation. The correct term is parapatric speciation (where populations are adjacent but have limited gene flow due to non - geographical factors like ecological gradients). Since the question mentions a geographical separation (coast - to - coast) initially, it is not parapatric.
• Spontaneous Speciation: This is not a recognized form of speciation in the context of the biological mechanisms of speciation.

Answer:

Allopatric Speciation