Sunflowers seem to follow the path of the sun as it travels across the sky during the day. Plants bending toward or following light is a response called
Ahydrotropism.
Bphotosynthesis.
Cphototropism.
Dthigmotropism.
Ahydrotropism.
Bphotosynthesis.
Cphototropism.
Dthigmotropism.