Which of the following statements about mosses is true?

Mosses are classified as non-vascular plants, which means they do not have the specialized tissue systems (vascular tissue) that facilitate the transport of water and nutrients like those found in higher plants, such as ferns or flowering plants. Because of this lack of vascular tissue, mosses do not develop true roots, stems, and leaves. Instead, they possess structures that are analogous but not functionally similar to those found in vascular plants. For example, what might appear as leaves are actually layers of cells that function in a way to maximize surface area for water absorption but do not provide the rigid structure or transport capabilities associated with true leaves.

The other statements do not accurately represent the characteristics of mosses. They reproduce via spores instead of seeds and do not primarily live in aquatic environments, although some species may inhabit moist conditions. Their structure is simple, lacking the more complex organization seen in vascular plants. This unique morphology and reproductive strategy is a significant aspect of their biology and illustrates their adaptation to terrestrial environments, where they thrive in damp, shady areas.