Sources:
- http://www.desertusa.com/du_sahara.html
- http://www.livescience.com/23140-sahara-desert.html
- http://www.luotuofushi.net/what-are-decomposers-in-the-sahara-desert-49589622/
- https://www.stlzoo.org/conservation/wildcare-institute/saharanwildliferecoverycen/
- http://dynamicdeserts.weebly.com/the-sahara-desert.html
- http://animals.mom.me/endangered-species-sahara-desert-3583.html
- Jupiterimages/Photos.com/Getty
- https://upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Egyptian_tortoise.JPG/250px-Egyptian_tortoise.JPG
- https://sites.google.com/site/charlessaharadesert/_/rsrc/1346934867636/food-web-and-food-chain/desert-sm.jpg