Which is a nonvascular seedless plant?
The plant kingdom consists of four major groups: the nonvascular plants, the seedless vascular plants, the gymnosperms and the angiosperms. The nonvascular plants, such as mosses and liverworts, are one of the simplest groups of the true plants. Living groups of nonvascular plants include the bryophytes: liverworts, hornworts, and mosses. Vascular plants are the more common plants like pines, ferns, corn, and oaks. The phylogenetic relationships within the plant kingdom are shown in Figure 1. Nonvascular plants, also known as bryophytes, are green seedless plants that date back more than 400 million years. There are three types: mosses (Division Bryophyta), liverworts (Division Hepatophyta) and hornworts (Division Anthocerophyta). Each can reproduce asexually or sexually. Nonvascular plants, also known as bryophytes, are green seedless plants that date back more than 400 million years. There are three types: mosses (Division Bryophyta), liverworts (Division Hepatophyta) and hornworts (Division Anthocerophyta). A. NONVASCULAR PLANTS (BRYOPHYTES) The nonvascular plants are composed of three groups that share some key characteristics: mosses (Bryophyta), liverworts (Hepaticophyta) and hornworts (Anthocerophyta). These are small plants generally lacking a true vascular tissue (xylem and phloem). Nonvascular plants are small, simple plants without a vascular system. They do not have a phloem or xylem. Nonvascular plants are very small because their lack of a vascular system means they do not have the mechanics required for transporting food and water far distances.  Nonvascular plants which lack vascular tissue.  Seedless vascular plants which have vascular tissue but do not make seeds. Instead, they make spores that are carried by wind to a new habitat.  Seed plants which have vascular tissue and produce seeds. Plants, which do not have vascular systems are called non vascular plants or lower plants. These plants do not contain xylem or phloem tissues. But they have special tissues for translocation of water. Bryophytes, including liverworts, mosses, and hornworts belong to non vascular plant group. Finally, these plants are gametophyte dominant, meaning that the recognizable stage of these plants is the haploid gametophyte generation. The seedless vascular plants, which include ferns and fern allies, possess several adaptations lacking in nonvascular plants. Nonvascular plants are commonly found in moist environments so that they are always close to a water source and can absorb the water right into the main part of the plant without relying on roots. Nonvascular plants also differ from vascular plants based on their reproductive strategies.
The plant kingdom consists of four major groups: the nonvascular plants, the seedless vascular plants, the gymnosperms and the angiosperms.