Citations

1. https://serengetinationalpark.wikispaces.com/Limiting+Factors

2. http://www.blueplanetbiomes.org/savanna_climate_page.htm

3. http://www.blueplanetbiomes.org/savanna_climate_page.htm

4. http://study.com/academy/lesson/symbiotic-relationship-definition-examples-quiz.html

5. https://sites.google.com/a/chs.coppellisd.com/grassland-savanna/home/human-impact