20 308 Check Four Understanding 2.1 mrane of moois in can one fnd hornworts? Once you have completed this chapter, go to to flout a handy dhart you can use for studying g Biology in Labora the Solution Answer 1: Rhizoids are hair-like projections that grow out of the epidermal cells of bryophytes. Bryophyte refers to plants that includes mosses, liverworts, and hornworts. They are nonvascular vegetation, or flowers that do not have complex tissues for transporting water and nutrients. Rhizoids are comparable to hairs found on vascular plants. Rhizoids are formed from single cells, in contrast to roots, which are multicellular organs. Rhizoids enabled them to directly soak up the water they wanted from their surroundings. Answer 2: The flattened, green plant body of a hornwort is the gametophyte plant. Hornworts may be found worldwide, although they generally tend to grow in places which are damp or humid. Some species develop in massive numbers as tiny weeds in the soil of gardens and cultivated fields..