Terrestrial plant: Quiz

Question 1: Other types of plants are aquatic (living in water), epiphytic (living on trees, but not ________), lithophytes (living in or on rocks) and aerial (can live hanging on air).
Dirofilaria immitisCatParasitismToxoplasmosis

Source: The Full Wiki (http://quiz.thefullwiki.org/Terrestrial_plant)