examples of parasitism, mutualism and commensalism in the mojave desert.

Question

http://waynesword.palomar.edu/ww0902a.htm

http://helios.bto.ed.ac.uk/bto/desbiome/parasite.htm

http://wc.pima.edu/~bfiero/tucsonecology/animals/interrelationships.htm

thank you! it was a big help