Non-vascular plants have no roots, stems, or leaves, since each of these structures is defined as containing vascular tissue.
(Non-vascular plants; have; no roots, stems, or leaves; since each of these structures is defined as containing vascular tissue) (each of these structures; is defined; as containing vascular tissue)
Non-vascular plants each of these structures
have is defined
no roots, stems, or leaves since each of these structures is defined as containing vascular tissue
as containing vascular tissue