Packages of Vegetable Seeds Typically Include an Ideal Planting Depth

Multiple Choice

Packages of vegetable seeds typically include an ideal planting depth.If planted too deep,the seeds will not germinate.How do the plants sense if they are too deep?

A) Thigmotropism is disrupted.
B) The apical meristem cannot reach the surface of the soil
C) Statoliths can no longer move.
D) Phytochromes can no longer absorb light.
E) Circadian rhythms are disrupted.