Mice infected with toxoplasma gondii are often attracted to bobcat urine. this is an example of

It is an example of a parasite adaptation. 
The parasite survival inside the host is based upon the ability of a parasite to adapt to the surrounding environment at the site of its infection. To adapt to this environment several morphological, anatomical and physiological changes may occur in an attempt to enhance survival. 

Idk little ngr try paying attention in school and you would know ngr