Biological species concept
1.Please make a case either for or against classifying Chihuahuas and Saint Bernards as separate species. Does not have to be long. Maximum half a page.
2. Search the Internet for examples of some known speciation events that resulted from geographic and then reproductive isolation. Be sure to thoroughly explain the event and include a citation. Again, does not have to be long at all. Maximum half a page
The subject for all this is Evolution