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
• Polyploidy

Include at least three references.

Format your paper consistent with APA guidelines.