BIOGEOGRAPHY paper modification

1. Condense the current paper 

2. Add more methods of research of how species are dispersed, change the focus to geograph more, less on biology aspect.

3. have more animal dispersal or bioGEOGRAPHY mechanisms related topics

4. Make a hypothesis base on the review, and the hypothesis is gonna be the question on the research that has already been done by the researchers.

5. Feel free to add more references.

6. Read the guiline before working on this.