Question: what do parenchyma and collenchyma have in common?
Answer: Dermal tissue covers the outer surface of herbaceous plants. ... Parenchyma, collenchyma, and sclerenchyma cells are common in the ground tissue. Vascular tissue transports food, water, hormones and minerals within the plant. Vascular tissue includes xylem, phloem, parenchyma, and cambium cells.