Which group of organisms does NOT produce seeds?

Bryophytes are nonvascular plants that include mosses, liverworts, and hornworts. They do not produce seeds; instead, they reproduce through spores. This characteristic sets them apart from other groups mentioned in the options. Angiosperms, gymnosperms, and monocots—all of which are seed-producing plants—either produce seeds that are enclosed in fruits (angiosperms) or have seeds that are exposed (gymnosperms). Monocots are a subclass of angiosperms, characterized by having a single cotyledon in their seeds. Therefore, bryophytes are the only group listed that does not produce seeds, making this answer accurate.