Sympatric speciation, biology homework help

Summarize the following three methods that could produce a new species from an existing species and provide examples, in 500-650 words. Include a summary and specific examples:
** (my advice is to make each of these a separate section in your paper, easily organized and you won’t forget any of them!)

Allopatric speciation
Sympatric speciation

Include at least three references.
Format your paper consistent with APA guidelines.

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