Beans, peaches, and potatoes are all vascular plants. what do these plants have in common?

Beans, peaches, and potatoes are all vascular plants. These all bear flowers and seeds.

Vascular plants have conducting tissue associated supportive fibres. They also have a specialized non-lignified tissue to conduct photosynthesis. These  include the horsetails, ferns, clubmosses, gymnosperms and angiosperms.

because the light is a great source of energy for the plants to survive. (i hope this )

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.