[Solved] Freud A)based his ideas on a firm belief in the immutable rationality of human personality. B)challenged the nineteenth-century belief in progress with his stress on irrational and unconscious forces operating within a man life. C)advanced the ideas of the id, the wunderkind, and the quanta to explain human behavior. D)was the leading European proponent of Social Darwinism. E)coauthored Die Volk with Houston Stewart Chamberlain. Gymnosperms: Gymnosperms are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, distinguished from flowering plants by having naked seeds. Liverworts: A group of non-vascular plants belonging to the division Hepaticophyta, characterized by a liver-like appearance and commonly found in moist, shaded environments. Vascular Tissues: Plant tissues responsible for transporting water, nutrients, and sugars throughout the plant. Mosses: A phylum of spore-producing nonvascular plants with an alternation of generations in which the dominant n gametophyte alternates with a 2n sporophyte that remains attached to the gametophyte.