Answer:
the fungi grows in the direction of stimulus
Step-by-step explanation:
Tropism is a biological phenomenon in which any organism responds in the direction of stimuli.
A fungi when gets in touch or contact of any environmental stimulus , it starts growing or responding in that specific direction is such a way that its growth can be considered as stimulus driven directional growth.
In fungi's basically thigmotropism occur, where it responds to external mechanical stimulation