Unit Summary: Evolution and Speciation.

I have attacthed the grading rubric and also the questions/prompt that need to be answered using the given paper. Here is the prompt:


Northern Spotted Owls (NSO) and Barred Owls (BO) NSO and BO can interbreed and produce hybrids. They are named as two different species (Strix occidentalis caurina and Strix varia).

Is this historical speciation event a case of allopatric or sympatric speciation? Defend your answer by describing the two types of speciation and details of the evolutionary history of the BO and NSO on the North American continent.

Summarize the state of NSO and their management, including success and/or failure of management strategies. Identify the hierarchy (most to least important) of threats to the NSO.


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